At least 1,300 people were killed in the Aug. 26 floods, which were likely caused by a glacier collapse, and more than 5,000 remain missing.

About 900 workers are missing from 12 hydropower projects in Nepal, with roughly 500 believed to be trapped in tunnels, according to local authorities.

Rescuers in Nepal pulled two workers alive from an underground tunnel at a hydropower plant on Friday, raising hopes of reaching dozens of others believed to be trapped nine days…