More than one thousand houses, including Rohingya camps, in Cox's Bazar's Teknaf went under water due to heavy rainfalls from Thursday morning to evening.
At least 6,000 people are marooned. Paddy fields and shrimp enclosures are also flooded.
Residential people were evacuated from the risky hills fearing landslide.
According to local representatives, around 800 families under Teknaf municipality, Sabrang, Hoyaikong, Hilna and Sadar unions are marooned. Besides, camps at Teknaf's Leda, Jadimura and Alikhali were submerged.
Teknaf upazila nirbahi officer Md Adnan Chowdhury said, "We are started evacuation as more landslide may occur. People have also been asked over loud speaker to leave the risky hilly areas."
Leda Rohingya camp leader Mohammad Alam said, "Women and children are the worst sufferers as several houses in the camp went under water.
TF