Thermal drone footage shows no survivors inside Nepal tunnel where 93 were trapped

Rescuers searching a flood-hit hydropower project in Nepal reached the far end of a tunnel using thermal drones but found no survivors. At least 93 workers were feared trapped in the Rasuwagadhi Hydropower Project tunnel in Rasuwa district. Hundreds of workers were underground in several hydropower projects in Nepal when flash floods wreaked havoc in the country.