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Lake formed by landslide on Nepal-Tibet border overflows, halting rescue work
Authorities warned the debris-dammed lake could burst as 3 million cubic meters of water are expected to flow in over three days, officials said.
District officials in Nepal’s Rasuwa district received formal notice that a dammed lake upstream has broken its banks, sending water levels surging down the Bhote Koshi and Trishuli rivers.
Top district bureaucrat Narendra Pariyar confirmed that river levels are visibly rising, prompting emergency authorities to temporarily suspend rescue operations and helicopter flights for safety.
Chinese state media reported that a barrier lake formed by landslides near the Gyirong border port overflowed, pushing against stone and debris barriers and threatening secondary mountain collapses.
Authorities issued urgent evacuation alerts instructing rescue crews, search teams, and local residents along low-lying riverbanks to immediately move to higher ground.
The secondary lake outburst comes just two days after initial catastrophic flash floods devastated the Himalayan border region, where the death toll in Nepal has mounted to 469 with nearly 1,000 people still missing.
A glacier collapse on the China-Nepal border has caused water to overflow from a debris lake, prompting a temporary suspension of relief and rescue operations. Officials say the river's water level is rising, making the next 90 minutes crucial for Nepal.