Rescuers saved one worker alive from Nepal's Trishul 3A tunnel after devastating floods left many 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 saved one worker alive from Nepal's Trishul 3A tunnel after devastating floods left many missing.

At least 557 workers are missing from a hydropower project along the Trishuli River, with about 115 still believed to be trapped.