Road communication between Lalmonirhat and Rangpur remained suspended Thursday due to the collapse of Kakina-Rangpur Road in Kaliganj upazila collapsed in flash floods.
Local people said the water of the Teesta entered into Rudreshor village as the river was flowing 60 cm above the danger level at Dalia point on Wednesday.
The Bangladesh Army has been pressed into action to evacuate stranded people from the affected areas, officials said.
Shahidul Haque Shaheed, chairman of Kakina Union Parishad, said 3,000 people have been stranded due to the flash floods and the main road connecting the two districts has caved in.
Rashedin Islam, executive engineer of the Water Development Board, said the Teesta river is flowing 70 cm above its danger level from Wednesday night.
The Water Development Board (WDB) has issued a red alert in the Teesta Basin after the river swelled above the danger level due to the onrush of hill water and heavy rainfall upstream in India.
Authorities in Bangladesh ordered evacuation of the people living in villages along the river’s banks.