Is Nepal facing another devastating flood from a new lake?

Two days after a glacier collapse sent a catastrophic flood roaring through parts of Nepal and Tibet on Wednesday, a newly formed river has broken the banks, and a renewed flood threat is looming.The river breach on Friday halted rescue operations in the area after flash floods and mudslides caused by glacial collapse from the Himalayas led to 469 confirmed deaths. More than 1,000 people remain missing across Nepal and China’s Tibet.A lake has formed by the buildup of debris at the border of Nepal and China at the flood site, and as it continues to rise, it increases the flood risk.What happened?On Friday, officials in Nepal’s Rasuwa district said they had been notified that the barrier lake had begun to overflow.“We can see that the level of water in the river is rising,” Narendra Pariyar, Rasuwa’s most senior bureaucrat, said.He added that it is currently unclear how high the water level is. “We do not know how big it is and how high is its water level. We can see that the level of water in the river is rising.”Scientists say this disaster has created not one but two new lakes. One has formed high up near the glacier, where meltwater is now trapped.The other, much larger and more...