Floods kill nearly 400 people in Nepal and Tibet, with 90 Americans among the missing

Nepalese police officers watch as earthmovers clear the debris of flash flooding in Nepal's Nuwakot district on Thursday. Niranjan Shrestha/AP hide caption toggle caption Niranjan Shrestha/AP The confirmed death toll is rising closer to 400 people after devastating flash floods that hit the Nepal-Tibet border early Wednesday, sweeping away roads, bridges and entire villages, with more than 1,000 still missing. The U.S. State Department said about 90 Americans are among the people unaccounted for. The State Department said, as of Thursday morning, was not aware of any confirmed deaths of U.S. citizens. The U.S. Geological Survey says a glacial collapse triggered the floods, after initially reporting the event as a 4.4 magnitude earthquake. Chinese surveillance footage from the Tibetan side of the border shows a huge wall of mud and debris crashing over buildings and engulfing roads as people desperately try to flee the torrent. Residents have described their terror as great waves of water barreled down valleys, burying people and homes under the mud. Santa Tamang, a 25-year-old university student who lives in one river valley, spoke to NPR by phone. Tamang said her family was able t...