At least 10 people have died and several are still missing after a glacial burst in Uttarakhand's Chamoli district triggered massive flooding in the Dhauli Ganga, Rishi Ganga and Alaknanda rivers on Sunday. Due to this, several people were trapped inside two Tapovan tunnels. Teams of State Disaster Response Force (SDRF), National Disaster Response Force (NDRF), Indo-Tibetan Border Police (ITBP) and police have rescued workers from one tunnel, the rescue mission in the other tunnel in underway. The other tunnel is around 1 Km long and is blocked with debris. Watch the video.