12 Workers Die in Sikkim Tunnel Collapse After Methane Gas Explosion

New Delhi. 12 workers have died in the collapse of a tunnel under construction in India's northeastern state of Sikkim. At least 12 workers have died when a part of the tunnel collapsed after a methane gas explosion inside the tunnel.

Officials have stated that the search and rescue operation for 13 people trapped inside the tunnel is still ongoing after the incident. According to India's National Disaster Response Force (NDRF), the accident occurred about 1.5 kilometers inside the tunnel.