This screen grab taken on handout video footage from ABC Laos on July 24, 2018 shows people sitting on a rooftop of a house surrounded by floodwaters in Attapeu province after a dam collapsed the day before. Hundreds of people are missing and an unknown number believed dead after a partly-constructed hydropower dam in southeast Laos collapsed, sending flash floods surging through six villages, state media reported on July 24. / AFP PHOTO / ABC LAOS / Handout / -----EDITORS NOTE --- RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / ABC Laos" - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS - NO ARCHIVES

July 25, 2018 3:27 PM (UTC+8)