at least ten people died and 80 others, including 22 army personnel, went missing on wednesday after a cloudburst over lhonak lake in north sikkim triggered a flash flood in the teesta river basin, officials said. all 10 who died have been identified as civilians including 3 of the dead who were washed up in north bengal, they said adding that one of the 23 army men who had gone missing in the morning was rescued later.