Experts use a WhatsApp group to guide rescue workers searching devastated hydropower plant tunnels. They seek survivors trapped inside tunnels after a massive flash flood devastated the valley. Engineers share layout drawings and tunnel access details to aid the difficult search operations. Rescue teams are trying to reach trapped individuals in various power plant locations. Family members anxiously await news of their missing loved ones after the disaster.

Tunnel expert Arnold Dix says large underground areas may have sheltered workers from the devastation, as rescue work continues in hydropower sites.

KATHMANDU, Nepal (AP) — Drone pilot Manish Maharjan has helped rescue teams in Nepal find people missing after last week’s catastrophic floods, sometimes using speakers mounted on…