Excessive rainfall in Meghalaya and Assam of India and Bangladesh's north-eastern parts have triggered flash floods in the low-lying areas of Sylhet and Sunamganj districts.
As the river Surma is overflowing in many parts and water of other rivers is also rising fast, the risk of long-term flood is on the rise, reports our Sylhet correspondent quoting officials of Bangladesh Water Development Board in Sylhet and Sunamgnaj.
In Sunamganj, Surma was overflowing 46cm above danger level in the town area today (Saturday) at 9:00am. Areas in the municipality, like Kazir Point, Riverview and Ukilpara remained waterlogged due to the flash flood, Md Sabibur Rahman, executive engineer of Bangladesh Water Development Board (BWDB), in Sunamgnaj said.
The flash flood also triggered river erosion at many parts of Sunamganj Sadar, Dowarabazar, Shulla and Chhatak upazila, the BWDB official said.
Meanwhile in Sylhet, Surma river is overflowing 40cm above danger level at Kanaighat upazila point while the water level is rising fast at the other points as well, Md Shahiduzzaman Sarkar, executive engineer of BWDB in Sylhet, said.
On the other hand, Sari river is 45cm below danger level at Sarighat point, but the flash flood from India has already inundated low-lying parts of Gowainghat, Jaintiapur and Companiganj upazila, Shahiduzzaman said.
In the affected upazilas, more than one lakh people remain waterlogged while the upazila administrations prepare temporary shelters at schools, respective upazila nirbahi officers confirmed.