'Like a movie scene': Chain of events that led to Nepal floods that killed over 600

The US Geological Survey initially linked the flooding to a magnitude 4.4 earthquake recorded in the areaA massive glacier and rock collapse high in Nepal’s Himalayas appears to have set off a chain of events that culminated in one of the country’s deadliest flash floods in years, killing over 600 people and leaving thousands missing in Nepal and neighbouring Tibet.The disaster began high in the mountains on Wednesday when a huge section of glacier and rock collapsed into the Lhende Khola valley near the Nepal-China border. The falling mass blocked the river before a surge of water, ice and debris burst through the valley, sweeping downstream into the Bhotekoshi and Trishuli river systems.The initial surge flattened settlements, roads, bridges and hydropower infrastructure on both sides of