New Delhi:08 Feb 21 Fourteen people have been killed and 170 are still missing after a portion of Nanda Devi glacier broke off in Tapovan area of Joshimath in Uttarakhand’s Chamoli district, triggering massive flooding of the Alaknanda and Dhauliganga rivers on Sunday morning.The flooding has forced the evacuation of thousands, and damaged both houses and the nearby Rishiganga and NTPC power projects.This morning, Uttarakhand’s State Disaster Response Force (SDRF) removed the debris and slush at the tunnel near Tapovan dam in Chamoli district as part of the rescue efforts. The SDRF members had to wait for the level of a river to lower, to begin rescue operations for the people who are stranded in the tunnel.