Key facts
- Nepal's death toll from flash floods has reached at least 469, with over 1,300 people missing.
- Rescue operations in Tibet have been suspended due to the high risk of a newly formed barrier lake bursting.
- A glacial collapse on Wednesday triggered the initial flood, causing a torrent of mud and debris.
- A new lake, formed by debris, is accumulating water and threatens further downstream flooding.
- Chinese authorities have issued warnings about the potential breach of a dammed lake.
The death toll from devastating flash floods along the Nepal-China border has climbed to at least 469, with over 1,300 people missing. The disaster, triggered by a glacial collapse on Wednesday, sent a massive torrent of water, ice, and debris through Himalayan river systems, destroying villages and infrastructure.
Rescue efforts in Tibet have been suspended due to the "high risk" of a newly formed barrier lake bursting, which could cause a second flood downstream. This lake, formed by debris from the initial glacial detachment event, is accumulating water and has prompted authorities to place all rescue personnel and the public on high alert.
Satellite imagery indicates the new lake formed in the same area as Wednesday's glacial collapse. It holds several million cubic meters of water and is located upstream from Gyirong Port, a border crossing that was engulfed by mud and floodwater. Experts attribute the continued glacial melt and water accumulation to high temperatures and debris blocking the river's path.
While authorities acknowledge the risk, geoscientists suggest that another flood as devastating as the initial one is unlikely, though rescuers continue to face significant dangers in their search for the missing.