Villagers are seen stranded on rooftop of a house after an under-construction dam collapsed in Attapeu, Laos, on July 24, 2018. At least two people are confirmed dead as of 4:30 p.m. local time (0930 GMT) on Tuesday, and a number of villagers are still missing after an under-construction dam collapsed in southern Laos, state-run online newspaper Vientiane Times quoted a senior provincial official as saying. (Xinhua/Vilaphon Phommasane)