Meghalaya state

Toxic gas and water buildup are hindering rescue efforts for 13 workers trapped in a collapsed hydropower tunnel in India's Sikkim state, following a methane gas explosion that killed 12 workers. The incident occurred at the Teesta Hydroelectric Project in a seismically active region prone to tunneling risks due to fragile rock formations and trapped gases.

Toxic gas is slowing rescue efforts for 13 workers trapped in a collapsed hydropower tunnel in India after a methane gas explosion killed 12 workers. Rescue teams face challenges due to gas and water buildup at the Teesta Hydroelectric Project in a seismically active region.