Two people were killed and three injured Sunday when a barge hit two neighboring houses in the Mekong Delta province of Ca Mau.

Vuong Thanh Nga, 45, and her niece Vuong Thuy Oanh, 14, died on the spot. They were sleeping when the barge crashed their home along the Trem River in Thoi Binh District at around 6a.m.

Nga's sister Vuong Thanh Lam, who lived next door, was injured with her two children.

The barge driver Tran Van Hanh from the northern province of Nam Dinh disappeared after the accident.

No details on what the barge was carrying, if anything, have been released.

Ca Mau police are investigating the cause of the accident.