At least 12 construction workers have lost their lives following a methane gas explosion inside an under-construction tunnel in India's northeastern state of Sikkim, officials confirmed. Rescue teams are still racing against time to locate 13 other workers who have been trapped since Monday's disaster.The blast occurred roughly 1.5 kilometers (0.9 miles) inside the tunnel, which is being built to channel water from the nearby Teesta River to turbines at a hydropower plant. The project, part of a...
