The Nepal Army, which is leading rescue efforts, turned to the trapped workers more than a day after the flood, according to army officials, industry groups and private rescuers.
Rescuers evacuating people from the tunnel of a hydropower project in Rasuwa, Nepal, in an image released by Nepal’s Prime Minister Secretariat on Friday.
Scientists and disaster response researchers said Nepal’s early flood warning system relied on a conventional network of river gauges in this remote region.
Survivors described the terrifying speed and power of the “boulders, sand and thick sludge” that killed hundreds and wiped out villages on the border between Nepal and Tibet.