The initial information showed that a flash flood suddenly occurred in Xa Na village, inundating 20 houses and 17 people in the early morning of Saturday.
After receiving the information, border guards, local authorities and residents living in neighboring villages joined hand in rescuing and searching for missing victims. However, 13 people are reported to remain missing, with three injured.
Due to the rise of water level following the heavy rains, the rescuers have faced difficulties.
There are five isolated villages in commune of Na Meo.