Thousands of workers missing in Nepal hydropower tunnel collapse

A devastating glacier collapse in Nepal's Langtang Lirung region has left thousands of workers missing, with rescue operations facing significant obstacles in retrieving trapped laborers from the underground tunnel system of a major hydroelectric project.

The disaster struck on August 26 when the glacier gave way, sending debris into the facility and trapping multiple workers within the interconnected tunnel networks that make up the hydropower installation. The incident has triggered an emergency response from authorities, though accessing those trapped beneath the surface has proven extremely challenging.

Rescue operations have been complicated by the labyrinthine structure of the tunnels, which extend deep underground and create a complex maze that rescue teams must navigate. The scale of the underground infrastructure, combined with unstable conditions following the initial collapse, has made it difficult for emergency personnel to locate and extract trapped workers efficiently.

So far, only a small number of workers have been successfully rescued from the site. Authorities have not yet provided an official accounting of all those missing, and search-and-rescue efforts are continuing as teams work through the damaged tunnel system. The incident highlights ongoing safety concerns at hydroelectric projects operating in Nepal's mountainous regions, where geological hazards pose persistent risks to workers.