A hydroelectric dam in southeastern Laos has collapsed, according to an Associated Press report citing state media.

A villager takes refuge on a rooftop above flood waters from a collapsed dam in the Attapeu district of southeastern Laos, July 24, 2018. The official Lao news agency KPL reported Tuesday that the Xepian-Xe Nam Noy hydropower dam in Attapeu province collapsed Monday evening, releasing large amounts of water that swept away houses and made more than 6,600 people homeless.(Attapeu Today via AP) A villager takes refuge on a rooftop above flood waters from a collapsed dam in the Attapeu district of southeastern Laos, July 24, 2018. The official Lao news agency KPL reported Tuesday that the Xepian-Xe Nam Noy hydropower dam in Attapeu province collapsed Monday evening, releasing large amounts of water that swept away houses and made more than 6,600 people homeless.

Several people are confirmed dead, and hundreds are missing.

This screen grab taken on handout video footage from ABC Laos on July 24, 2018 shows various structures surrounded by floodwaters in Attapeu province after a dam collapsed the day before.(AFP/Getty Images) This screen grab taken on handout video footage from ABC Laos on July 24, 2018 shows various structures surrounded by floodwaters in Attapeu province after a dam collapsed the day before.

The official Lao news agency KPL reported on Tuesday that the Xepian-Xe Nam Noy hydropower dam in Attapeu province collapsed Monday evening, sweeping away homes and leaving more than 6,000 homeless.

Villagers take refuge on a rooftop above flood waters from a collapsed dam in the Attapeu district of southeastern Laos, July 24, 2018.(Attapeu Today via AP) Villagers take refuge on a rooftop above flood waters from a collapsed dam in the Attapeu district of southeastern Laos, July 24, 2018.