Uttarakhand disaster: Glacier fracture triggered tragedy, shows initial studies SECTIONS Last Updated: Feb 09, 2021, 07:43 AM IST Share Synopsis “The DRDO team is analysing all available data but an initial aerial survey indicates that a hanging glacier broke away from the main glacier triggering, the tragedy. The initial assessment is that the breakaway glacier formed a lake in the narrow valley after falling. This later burst causing the damage,” Dr LK Sinha, told ET. Reuters Other expert teams are set to begin on-ground assessments for the examination of the debris left behind to find out more on the causes and chain of events.