Dhaka, Aug. 17 -- The Atrai River at the Atrai Railway Bridge point in Naogaon has swelled to 31 centimeters above the danger level, inundating vast areas of Atrai and Raninagar upazilas.

The floodwaters have submerged nearly 17,000 bighas of Aman paddy and other crops, leaving thousands of people marooned and damaging important roads.

Local farmers said the sudden surge in water levels was caused by heavy rainfall and upstream runoff.

Hundreds of bighas of cropland in villages including Bhonpara, Palsha, Hengolkandi, Majhgram, Kachua, Maria, and Moniari have been submerged, leaving residents stranded in floodwater.

Bhonpara Union Chairman reported that even his own 16 bighas of paddy fields are underwater. Another farmer, Abdul Halim, ...