Rescuers battled methane, carbon monoxide, mud and darkness as the death toll in the south Sikkim tunnel explosion rose to 15, with 12 workers still missing. | India News

Twenty-seven workers are trapped inside a Sikkim tunnel after a landslide blocked its entrance. Rescue operations are complicated by a suspected gas leak, affecting personnel.…

The tunnel is a part of the National Hydroelectric Power Corporation’s (NHPC) Teesta Stage VI hydroelectric power project | India News