Nepal lake formed after flash flood breaks banks

Earlier, China had warned that Nepal could face fresh floods if the lake embankment bursts.

Nepal lake formed after flash flood breaks banks, water level risingA vehicle stuck in the mud in the aftermath of the flash floods in Nepal's Devighat in the Nuwakot district in Nepal on Thursday (AP Photo)

Nepal officials have said the embankment of the barrier lake along the Nepal-China border in Rasuwa has given way and the water level is rising. Earlier, China had warned that Nepal could be hit by fresh floods if the lake embankment bursts.

The lake was formed within the debris after the initial mudslide hit the Nepal district on Wednesday. So far, 495 deaths have been confirmed.

A notification by the Rasuwa administration read: “All security personnel, rescue workers, and the general public deployed in rescue and relief operations are requested to remain alert and immediately move to a safe location.”

ALSO READ | Satellite images show scale of destruction in Nepal

 
SOUTH ASIA · DISASTER TRACKER
Nepal-Tibet Flash Floods 2026
Trishuli River disaster, Aug 26 onward · Figures evolving · Last updated: Aug 28, 2026
Total Dead
495
Total Missing
1,858+
Rescue Personnel
4,348
Districts on Alert
5
1
Nepal
Rasuwa, Nuwakot, Dhading, Gorkha, Chitwan
 
NEPAL
1,300+
missing
2
China / Tibet
Gyirong County, Shigatse region
 
CHINA
558
missing
# REGION DEAD MISSING INJURED
1 Nepal 495 1,300+ 466
2 China / Tibet 3 558
What Caused It
1
Suspected Himalayan glacier collapse above the Nepal-China border
2
Triggered a magnitude 5.2 tremor, detected by seismometers in the US and Germany
3
Surge entered the Lhende Khola, feeding the Bhote Koshi and Trishuli rivers
4
Trishuli River rose ~9 metres in 30 minutes, sweeping through Rasuwa and Nuwakot
Districts Under Flood Warning
Rasuwa
Worst hit
Nuwakot
Worst hit
Dhading
Downstream
Gorkha
On alert
Chitwan
On alert
Sources: AP · CNN · Al Jazeera · TIME · Wikipedia (2026 Nepal floods) · Death toll updated to 495 per editorial desk, Aug 28, 2026 · Figures are still being revised by authorities as search operations continue.
 

China pauses rescue efforts

Right before the embankment of the lake broke, China paused rescue efforts in Tibet after the fresh flood risk was flagged. It sounded the alarm of possible landslides if the lake embankment gave way.

More than 550 remain missing on the Tibetan side of the border.

ALSO READ | Why Nepal flash floods resemble 2021 Chamoli disaster, with greater impact

Authorities in Nepal also stopped rescue operations for 90 ​minutes, an army officer ​told Reuters after ⁠the a dammed ‌lake began to overflow.

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Rescue ⁠operations with helicopters in Rasuwa ​were ‌halted and residents of the district scrambled to safety in the higher reaches, reported Reuters.

In Photos | Aftermath of flash floods in Nepal

92 Indians rescued from Rasuwa and Nuwakot

Meanwhile, the BBC reported that the Nepal Army has rescued 900 people from Rasuwa and Nuwakot districts, which were affected the most by the floods. Among the rescued were 92 Indians and 27 from other nations.

The continued inclement weather is hampering the rescue efforts, making evacuations difficult.

Indian tourists and pilgrims form the largest group of foreigners worst-hit by the flash floods on Wednesday.

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Nepal Army spokesperson General Rajaram Basnet told BBC all 900 were hospitalised.

What caused the Nepal flash floods?

The catastrophic flash flood in the Nepal-Tibet border region was triggered by a massive glacial collapse and ice avalanche near the Langtang Lirung peak in the Himalayas.

An enormous section of ice and rock broke free, crashing down the valley. The crash generated a powerful seismic shockwave equivalent to a magnitude 5.2 earthquake.

CLICK HERE FOR THE LATEST UPDATES ON THE NEPAL FLOOD SITUATION

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