Nepal floods Day 3: What we know and don't know about the tragedy

Nepal floods Day 3: A devastating flash flood swept through Nepal's Himalayan river valleys after a glacial collapse. Scientists are investigating the precise trigger for the ice and rock avalanche near Langtang Lirung. The resulting debris flow travelled nearly 100 km, causing significant destruction downstream. While some communities received early warnings, others were impacted before alerts arrived. Authorities continue to monitor the situation for further flooding and search for missing persons.