On the morning of August 26, 2026, the sky above the Nepal-China border was not warning anyone of what was about to happen.
There was no ordinary monsoon downpour. No long period of heavy rain. No obvious sign that a devastating flood was moving through the mountains.
Then, within minutes, the landscape changed.
A huge mass of ice and rock detached high on the Lirung massif near the Nepal-China border. The collapse generated a powerful seismic signal and sent enormous quantities of debris into the Lhende Khola catchment. Water, mud, rocks and broken mountain material then surged downstream into the Bhote Koshi and Trishuli river systems.
What followed was not a conventional river flood.
It was a cascading high-mountain disaster.
The flood tore through border infrastructure, settlements, roads, bridges and hydropower facilities before travelling deep into Nepal. The destruction stretched for more than 100 kilometres downstream, while the search for thousands of missing people continued weeks after the initial event.
By September 19, Nepal’s latest disaster figures recorded 1,411 casualties and 5,875 people still missing, while more than 13,700 people had been rescued.
The disaster also devastated Nepal’s hydropower sector. A national assessment recorded damage involving 13 hydropower projects, with the energy sector alone suffering hundreds of millions of dollars in physical damage and billions more in estimated recovery needs.
But the biggest question remains:
How could such a massive flood happen when there was no massive rainstorm at the source?
The answer begins high above the river valleys, where ice, rock, warming temperatures and unstable Himalayan terrain are becoming increasingly connected.
The Morning the Himalayan Disaster Began
At around 8:37 a.m. Nepal time on August 26, a powerful seismic signal was detected in the region.
At first glance, such a signal could easily be interpreted as an earthquake.
But scientists and rapid assessments later determined that the signal was associated with the impact of a massive rock-and-ice collapse rather than a conventional tectonic earthquake.
The source was located high on the Lirung massif, near the Nepal–China border, at roughly 5,000–5,200 metres above sea level. Satellite imagery indicates that the failed section extended roughly 1 to 1.3 kilometres across.
That distinction matters.
The mountain did not simply shake and collapse because of an earthquake.
Instead, a huge mass of mountain material detached, descended rapidly and interacted with the river system below.
The impact transformed a high-altitude mountain collapse into a disaster that would eventually affect communities far downstream.
When a Mountain Collapse Became a Flood
The initial collapse was only the beginning.
The falling ice and rock reached the valley below and mobilised additional material. The debris interacted with the Lhende Khola, producing a destructive mixture of water, sediment and enormous boulders.
This is one of the most dangerous characteristics of Himalayan disasters.
A mountain collapse does not have to remain confined to the mountainside.
Once it reaches a river, the river becomes a transport system.
Water carries mud.
Mud carries rocks.
Rocks destroy bridges.
Destroyed bridges and buildings add even more debris to the flow.
The result can become a rapidly expanding chain reaction.
That is essentially what happened along the Lhende Khola–Bhote Koshi–Trishuli corridor on August 26.
The disaster therefore cannot be understood simply as “a flood.”
It was a sequence:
mountain collapse → debris movement → river blockage and release → extreme flood → infrastructure destruction → downstream devastation.
That sequence explains why the event moved so quickly and why communities far from the original collapse were caught in the disaster.
Rasuwagadhi: The First Major Warning of the Scale of Destruction
The first major impact came at Rasuwagadhi, close to the Nepal–China border.
The border area contains customs and immigration infrastructure and serves as an important crossing point between Nepal and Tibet.
When the flood reached the area, buildings, vehicles, bridges and other structures were overwhelmed.
The disaster also struck people working in customs, security and hydropower facilities.
Early reports showed that dozens of security personnel and hydropower workers were among those who could not initially be contacted.
The destruction at Rasuwagadhi provided an early indication of what was moving downstream.
This was not a normal increase in river water.
The flood was carrying enormous quantities of sediment and mountain debris.
Anything standing in the river corridor was vulnerable.
Timure: A Village in the Path of the Flood
From Rasuwagadhi, the disaster moved into Nepal’s Rasuwa district.
The village of Timure, located along the Bhote Koshi River, was among the badly affected areas.
The river corridor here is narrow, steep and surrounded by mountains.
That geography normally gives Himalayan communities access to rivers and transport routes.
But during an extreme debris flood, the same geography can work against them.
A narrow valley concentrates the flow.
Steep slopes increase the speed of water and debris.
Bridges become bottlenecks.
Buildings constructed close to the river can be exposed within minutes.
The August 26 flood demonstrated exactly how quickly those conditions can turn a river valley into a disaster corridor.
Syabrubesi: When the Flood Reached the Town
Further downstream, the flood reached Syabrubesi, where the Bhote Koshi system connects with the wider Trishuli river network.
Witness accounts described the flood as carrying far more than water.
There were rocks, sand, mud and debris moving together.
Buildings were damaged or destroyed.
Homes disappeared beneath the flow.
People who had only moments earlier been going about their normal morning routines suddenly had to search for higher ground.
This is one of the defining features of high-mountain flash floods.
There may be little time between the first warning and the arrival of the destructive wave.
And unlike an ordinary flood, there may be no gradual rise in the water level.
The danger can arrive as a moving wall of debris.
Betravati: A Town That Had Never Expected This Kind of Flood
One of the most striking stories from the disaster came from Betravati.
The town had traditionally been regarded as being relatively safe from ordinary river flooding because much of it sits above the immediate river channel.
That historical experience created an important assumption:
If previous floods had not reached certain buildings, why would anyone expect this one to?
But August 26 was different.
The flood was not simply rising from below.
It was arriving as a huge volume of water and debris moving through the river system.
Large sections of the settlement were destroyed.
Homes, shops and other buildings disappeared beneath the flow.
The disaster showed that historical flood experience can become a poor guide when the physical nature of the hazard itself changes.
A place that may be safe from ordinary seasonal flooding can still be vulnerable to an extreme debris flow.
The Clock That Became a Symbol of the Disaster
Among the images associated with the disaster was a damaged clock in the affected area.
The stopped clock became a visual reminder of the moment the flood struck.
For people watching the aftermath, such details carried a strange weight.
A clock normally represents the passing of time.
But a stopped clock represents a moment when ordinary life suddenly ended.
For survivors, the morning of August 26 was not just another date on a calendar.
It became a dividing line:
before the flood and after it.
Trishuli Bazaar and the Expanding Destruction
The flood continued downstream toward Trishuli Bazaar and other communities along the river system.
By this stage, the original mountain collapse was no longer just a local event.
The river had become the highway carrying the disaster downstream.
Bridges were destroyed.
Homes were swept away.
Road connections were broken.
Communication systems were disrupted.
And rescue teams increasingly faced a different problem: reaching people who were still alive.
Nepal’s national disaster assessment later recorded 37 motorable bridges and 68 trail-bridge spans affected, with 33 motorable bridges washed away and four partially damaged.
The destruction of transport infrastructure made rescue operations far more difficult.
In some places, the people who needed help were not necessarily far from rescuers.
They were simply cut off.
The Flood Did Not Stop at One Town
The disaster continued through the Trishuli river corridor.
Communities farther downstream were hit by rapidly rising water and debris.
The National Society for Earthquake Technology’s assessment recorded major damage across transport, energy, communications, water supply and other infrastructure. Infrastructure accounted for 46.55% of the assessed major disaster effects.
That statistic tells an important part of the story.
The disaster did not simply destroy individual houses.
It damaged the systems that connect communities to the rest of the country.
Roads disappeared.
Bridges disappeared.
Power facilities were damaged.
Communications were interrupted.
And rescue routes themselves became dangerous.
Why the Flood Was So Difficult to Predict
One of the most confusing aspects of the disaster was the weather.
People naturally associate major floods with heavy rain.
But the August 26 event was different.
The immediate trigger was a high-altitude rock-and-ice avalanche and associated cascading river processes, not a conventional rainfall flood.
That makes early warning much harder.
Rainfall can be monitored.
River levels can be measured.
Weather forecasts can identify incoming storms.
But a sudden collapse of ice and rock thousands of metres above a settlement is much harder to predict precisely.
This is one reason why high-mountain hazards are particularly dangerous.
The event may begin in a location where almost nobody is present.
But its consequences can travel dozens or even hundreds of kilometres downstream.
Thousands Were Still Missing Weeks Later
The human toll became increasingly difficult to measure as rescue teams moved through destroyed areas.
Nepal’s September 19 figures recorded 1,411 casualties and 5,875 missing people. More than 13,700 people had been rescued.
Reuters reported on September 15 that more than 5,130 people remained missing in Nepal, while China reported 43 deaths and 519 people still unaccounted for on the Tibetan side.
The numbers changed repeatedly as authorities verified names, recovered bodies and received information from families.
That is why early reports from August should not be treated as the final death toll.
In disasters involving destroyed communications and missing entire communities, the first numbers are almost always incomplete.
The Disaster Also Reached Foreign Travellers
The border region is not isolated from the outside world.
It is part of a major route toward Tibet and the Mount Kailash pilgrimage corridor.
As a result, foreign nationals were among those reported missing after the disaster.
Weeks later, families were still searching for information about relatives who had disappeared on August 26.
Reuters reported that families of missing people were organising support networks, checking hospitals and providing DNA samples as they tried to establish what had happened.
For these families, the disaster did not end when the water disappeared.
It continued every day that a loved one remained unaccounted for.
Hydropower: Nepal’s Economic Ambition Took a Direct Hit
Perhaps no part of Nepal’s economic infrastructure illustrates the disaster’s wider impact better than hydropower.
Nepal has invested heavily in hydropower because its rivers offer enormous energy potential.
The same mountains that create the country’s electricity potential, however, can also create extraordinary geological hazards.
The August flood damaged hydropower plants, construction sites, transmission infrastructure and access roads.
A national assessment recorded 13 hydropower projects with a combined capacity of 759.03 MW, including operating and under-construction projects. The assessment estimated physical damage to the energy sector at $889.21 million, with recovery needs estimated at $2.58 billion.
That changes the disaster from a local humanitarian emergency into an economic problem.
Every damaged power plant means lost electricity.
Every destroyed road means higher reconstruction costs.
Every damaged transmission line makes energy distribution harder.
And every missing worker adds another human dimension to the economic loss.
Workers Were Trapped Inside Hydropower Tunnels
Some of the most difficult rescue operations took place inside hydropower infrastructure.
Floodwater and mud entered tunnels and other underground structures.
For rescuers, this created an extremely dangerous environment.
There was thick sediment.
There were unstable structures.
There was a risk of further collapse.
And information about the people trapped inside was often incomplete.
Nepal’s rescue operation continued for weeks, with thousands of security personnel deployed and helicopter missions supporting operations in isolated areas. The latest government-linked figures record more than 2,000 helicopter flights and more than 20,000 security personnel mobilised.
The rescue itself became a race against time, terrain and deteriorating conditions.
Why the 5.2 Signal Was Not a Normal Earthquake
This part of the story deserves particular attention.
When a seismic signal is detected, people naturally think of an earthquake.
But a seismometer does not only record tectonic earthquakes.
Large landslides, rockfalls, volcanic activity and other powerful impacts can also generate seismic waves.
In this case, the massive collapse of ice and rock produced a measurable seismic signal.
So the sequence was essentially the reverse of what many people initially assumed.
The earthquake-like signal was associated with the mountain collapse. The collapse did not happen because a conventional earthquake first shook the mountain.
Rapid hazard assessments placed the source of the collapse at around 5,000–5,200 metres on the Lirung massif.
That distinction helps explain why the event initially looked so unusual.
Was Climate Change Responsible?
This is where the story becomes more complicated.
It would be too simple to say that climate change “caused” this single flood.
The immediate trigger was the collapse of ice and rock high in the mountains.
But scientists have increasingly warned that warming temperatures can change glacier stability, increase meltwater, enlarge unstable lakes and alter the physical conditions of high-mountain slopes.
The Himalayas are particularly sensitive because glaciers, frozen ground, rock slopes and rivers are closely connected.
When temperatures rise, the system changes.
But establishing exactly how much climate change contributed to one specific collapse requires detailed scientific attribution.
That distinction matters.
The flood itself had a clear physical trigger. The broader climate trend may influence the conditions under which such hazards become more likely, but the exact contribution of climate change to this individual collapse requires scientific assessment.
The Himalayas Are Becoming a Bigger Risk Management Challenge
The Himalayan region is home to some of Asia’s most important rivers.
Millions of people downstream depend on these rivers for drinking water, agriculture and electricity.
But the same river systems connect high-altitude hazards with densely populated valleys.
A landslide in the mountains can therefore become a flood emergency many kilometres away.
A glacier collapse can damage a hydropower station.
A destroyed bridge can isolate a village.
A blocked road can delay medical assistance.
This means Himalayan disaster management cannot stop at the location where the first landslide happens.
It has to follow the entire river corridor.
The 2025 Flood Had Already Delivered a Warning
The August 2026 disaster did not occur in a region with no previous warning.
In July 2025, another major flood affected the Bhote Koshi corridor and damaged the Nepal-China Friendship Bridge.
That earlier disaster demonstrated how vulnerable the same river system could be.
Then came the far larger August 2026 event.
The lesson is not necessarily that one particular type of disaster will happen every year.
The lesson is that the same combination of steep mountains, unstable terrain, powerful rivers and infrastructure concentrated in narrow valleys can produce repeated risks.
Langtang Lirung Has Its Own History of Deadly Mountain Hazards
The mountain landscape around Langtang is also no stranger to catastrophe.
After the devastating 2015 Nepal earthquake, an enormous avalanche descended in the Langtang Valley and buried settlements.
Hundreds of people died in the wider Langtang disaster.
That event demonstrated another reality of Himalayan geography:
An earthquake does not have to destroy a village directly.
It can destabilise a mountain.
The mountain can then destroy the village.
In 2026, the mechanism was different, but the underlying vulnerability was familiar.
A high-altitude mountain event can become a lowland humanitarian disaster.
The Hidden Danger of New Lakes and Unstable Mountain Valleys
One of the major concerns following a glacier or landslide event is what happens after the first flood.
A landslide can temporarily block a river.
Water can then accumulate behind the blockage.
A new lake forms.
If the natural dam breaks, another flood can be released downstream.
This is why post-disaster monitoring is just as important as the initial rescue.
A mountain disaster can create new hazards while the first emergency is still unfolding.
In the Himalayas, authorities increasingly rely on satellite imagery, remote sensing, river gauges and field surveys to identify these changes.
But monitoring every dangerous slope and every glacial lake remains a huge challenge.
Nepal’s Rivers Are Also Under Pressure From Development
Natural hazards are only one part of the story.
Human development changes the consequences of those hazards.
Nepal needs roads.
It needs bridges.
It needs electricity.
It needs hydropower.
It needs homes and markets.
But when infrastructure is built close to active river channels and steep mountain slopes, the exposure to extreme events increases.
This does not mean every hydropower project or every settlement is inherently unsafe.
The issue is where infrastructure is located, how it is designed, what hazard data were available when it was built, and whether that infrastructure can withstand an event larger than the historical norm.
That distinction is crucial.
A flood becomes a disaster when a hazard intersects with vulnerable people, buildings and systems.
The Problem of Building Too Close to Rivers
The Himalayan valleys are narrow.
That makes land valuable.
Settlements naturally grow along roads and rivers because those are the places where transportation, trade and water access are available.
Over time, markets and infrastructure can expand into areas that historically experienced less development.
The danger is that a river’s floodplain may look perfectly safe for years.
Then one extreme event can redraw the river’s path in minutes.
The August 2026 disaster demonstrated that historical experience alone cannot guarantee future safety.
A location that survived previous floods may still face a much larger hazard in the future.
The Flood Changed the Map Itself
One of the most important consequences of a disaster like this is often overlooked.
It does not simply destroy buildings.
It can change the physical landscape.
River channels can move.
Banks can disappear.
Roads can be buried.
Bridges can vanish.
Hydropower structures can become difficult to locate beneath debris.
New sediment deposits can cover entire areas.
In some locations, the landscape after the disaster may look almost unrelated to what existed before August 26.
That creates another problem for reconstruction.
Authorities cannot simply rebuild everything where it stood before.
They first have to understand what the river and mountain have become.
India Was Drawn Into the Disaster Too
The Trishuli river system eventually connects with rivers flowing into India.
As the flood moved downstream, authorities in northern India also monitored the situation and dealt with the arrival of flood debris and recovered bodies.
The disaster therefore crossed national boundaries without respecting political borders.
This is a recurring feature of Himalayan environmental risks.
Mountains may belong to one country.
Rivers may cross several countries.
A landslide may begin on one side of a border.
Its consequences may appear hundreds of kilometres away.
That makes regional cooperation essential.
China Faced Its Own Losses in Tibet
The disaster also affected the Tibetan side of the border.
China reported deaths and missing people in Gyirong County, while the Nepal side experienced much larger losses.
Reuters reported that 43 people had died in China and 519 remained unaccounted for in the latest figures it reviewed on September 15.
The border geography also made information difficult to obtain.
Access restrictions and damaged communications complicated independent reporting from the affected areas.
That is why satellite imagery, official statements and independently verified footage have become particularly important in reconstructing what happened.
The Search for the Missing Became a Disaster of Its Own
For rescuers, the initial flood was only the first battle.
After that came mud.
Then destroyed roads.
Then collapsed structures.
Then missing-person identification.
Then DNA collection.
Then the difficult task of returning recovered bodies to families.
By September 19, Nepal’s official-linked figures showed that thousands of people were still missing even after weeks of rescue operations.
For families, the uncertainty is often harder than a confirmed loss.
They do not know whether a relative survived.
They do not know where the person might be.
And they may have no body to bury.
That human uncertainty can continue long after international attention moves elsewhere.
Nepal’s Electricity Crisis Shows How Disaster Becomes Economic Damage
The destruction of hydropower infrastructure had another consequence.
Nepal’s electricity system depends heavily on hydropower.
When major plants and transmission infrastructure are damaged, the country loses not only physical infrastructure but also electricity supply and potential export revenue.
India later approved electricity exports of up to 654 MW to Nepal for 18 hours a day through December 31, 2026, helping Nepal deal with the post-flood energy disruption.
This illustrates how interconnected the disaster became.
A glacier collapse in the Himalayas eventually affected:
- local communities
- tourism and pilgrimage
- roads and bridges
- hydropower
- electricity supply
- cross-border trade
- rescue operations
- regional energy cooperation.
The disaster started high in a mountain valley.
Its consequences spread far beyond that valley.
Was This a Natural Disaster or a Human Disaster?
The answer is both but in different ways.
The mountain collapse itself was a natural geological process.
Humans did not create the rock avalanche.
But the scale of the human tragedy depends partly on exposure and vulnerability.
Where are people living?
Where are roads built?
Where are bridges located?
Where are hydropower plants constructed?
How quickly can warnings travel?
How many evacuation routes exist?
Can helicopters reach isolated communities?
Can buildings survive debris flows?
These are human decisions.
That is why calling the event simply a “natural disaster” does not tell the whole story.
Nature created the hazard.
Human settlement and infrastructure determined how much of that hazard became a catastrophe.
What the Disaster Says About Early Warning Systems
One of the clearest lessons from August 26 is the need for faster warning systems in high-mountain valleys.
A warning system does not necessarily need to predict the exact moment a glacier will collapse.
It can instead detect abnormal changes.
A sudden seismic signal.
A rapid change in river level.
Movement on a dangerous slope.
A sudden rise in water behind a temporary blockage.
Unusual satellite observations.
The goal is not perfect prediction.
The goal is to create enough time for people downstream to move to safety.
Even a few minutes can matter when a destructive flood is travelling through a narrow valley.
Nepal Now Faces a Reconstruction Challenge
Rescue is only the first phase.
Nepal now faces the much longer task of rebuilding.
Roads need to be restored.
Bridges need to be reconstructed.
Electricity infrastructure needs to be repaired.
Homes need to be rebuilt.
Families need compensation and support.
Missing people need to be identified.
And damaged river corridors need to be assessed before reconstruction begins.
The cost will be enormous.
A national assessment estimated $2.58 billion in recovery needs for the energy sector alone.
The broader reconstruction bill will be much larger.
That raises another difficult question:
Should Nepal rebuild everything exactly where it was, or should some infrastructure be relocated to safer ground?
There is no simple answer.
Relocation can save lives, but it can also disrupt communities, livelihoods and access to transport.
The Bigger Himalayan Warning
The August 2026 disaster should not be treated as proof that every Himalayan glacier is about to collapse.
That would be scientifically irresponsible.
But it does show how quickly a high-altitude event can move from a remote mountain slope into the centre of human life.
The Himalayas are changing.
Temperatures are rising.
Glaciers are changing.
Infrastructure is expanding.
Population and economic activity are increasing in mountain valleys.
And the consequences of a rare extreme event can become much larger when more people and more infrastructure are exposed.
The challenge is therefore not simply to stop floods.
It is to make Himalayan societies more capable of surviving them.
What Needs to Change After the 2026 Disaster?
The most important lessons are practical.
Mountain hazards need better monitoring.
River corridors need stronger early-warning systems.
High-risk settlements need evacuation plans.
Hydropower projects need detailed debris-flow and landslide assessments.
Bridges need to account for extreme sediment and debris loads.
Critical infrastructure should not depend on a single vulnerable road or bridge.
And communities need warnings in languages and formats people can understand immediately.
Perhaps most importantly, disaster planning needs to consider events that are larger than anything remembered locally.
History is useful.
But history can also create a dangerous illusion of safety.
If a valley has never experienced a particular flood in living memory, that does not mean the flood is impossible.
The 2026 Nepal Flood Changed the Question
Before August 26, the question was often:
How can Nepal use its rivers to build its future?
After August 26, another question became impossible to ignore:
How can Nepal develop its rivers without increasing exposure to the mountains’ most dangerous extremes?
That is a much harder question.
Nepal needs hydropower.
It needs roads.
It needs tourism.
It needs cross-border trade.
It needs economic growth.
But all of those goals depend on understanding the environment in which they are being built.
The future of Himalayan development will therefore depend not only on engineering more infrastructure.
It will depend on engineering infrastructure that understands the mountains.
The Bigger Historical Lesson of the Nepal Flood
The August 26 disaster was not the first Himalayan catastrophe, and it will not be the last.
The region has always experienced landslides, avalanches, floods and earthquakes.
What is changing is the relationship between those hazards and human development.
There are more roads.
More hydropower projects.
More tourism.
More settlements.
More economic activity.
And a warming climate is changing the physical conditions of the high mountains.
That combination creates a new kind of risk.
A disaster can begin with a collapse in a place where almost nobody lives and end hundreds of kilometres away in towns, cities and infrastructure corridors.
That is exactly what made the 2026 Nepal flood so devastating.
The mountain collapse lasted moments.
The flood travelled downstream.
But its consequences will last for years.
Conclusion: Nepal’s Flood Was a Warning From the Mountains
On August 26, 2026, a remote section of the Himalayas collapsed.
The event began high above the river valleys, but the consequences travelled far beyond the mountain itself.
Rivers became channels of destruction.
Villages disappeared.
Bridges collapsed.
Hydropower facilities were damaged.
Families lost contact with loved ones.
Thousands remained missing weeks later.
And Nepal was forced to confront the vulnerability of an economy increasingly dependent on the same mountain rivers that can sometimes become its greatest source of danger.
The disaster does not prove that climate change alone caused the flood.
It does show why the relationship between climate, glaciers, unstable mountains, rivers and human development deserves much more attention.
The most important lesson may be this:
The Himalayas are not just a source of water and energy. They are a living, changing geological system.
Building a future there means understanding that system before the next mountain moves.
And the next time it does, the difference between a frightening natural event and a national catastrophe may come down to one thing:
how prepared the people downstream are.
### What caused the Nepal flood of August 2026?
A large rock-and-ice avalanche high on the Lirung massif triggered a cascading flood through the Lhende Khola, Bhote Koshi and Trishuli river systems.
### Was the 5.2 seismic signal an earthquake?
The seismic signal was associated with the massive mountain collapse rather than a conventional tectonic earthquake.
### How many people were killed in the Nepal flood?
Nepal’s latest official-linked figures as of September 19 recorded 1,411 casualties, while 5,875 people remained missing.
### How badly was Nepal’s hydropower sector affected?
A national assessment recorded 13 affected hydropower projects with a combined capacity of 759.03 MW and estimated energy-sector recovery needs of $2.58 billion.
### Was climate change responsible for the disaster?
The immediate trigger was the rock-and-ice collapse, while climate change may influence glacier and mountain stability. The exact contribution of climate change to this individual event requires scientific attribution rather than assumption.
Sources & References
- Rasuwa Flood — Detailed Event Account: Rasuwa Flood 2026
- National Society for Earthquake Technology — Disaster Assessment: NSET Rasuwa Flood Assessment
- Nepal Ministry of Finance — Rasuwa Flood Updates: Official Rasuwa–Bhotekoshi Flood Update
- Reuters — Nepal-China Flood Disaster: Reuters report on missing people and aftermath
- Associated Press — Glacier Collapse and Flood: AP report on the Nepal-China flood