The authorities have recovered the bodies of 10 people after a passenger boat collided with a sand-laden trawler on the Gumai river in Netrakona's Kalmakanda Upazila.
The incident took place in the Upazila's Barakhapon Union around 10 am Wednesday.
At least 12 others are still missing, Netrakona's Deputy Commissioner Kazi Md Habibur Rahman said, bdnews24.com reported.
Witnesses said the passenger trawler capsized after colliding with the other vessel. While some of the passengers managed to swim to safety, others drowned as the vessel sank.
Later, police and members of the fire service began a rescue operation with the help of locals.
Three people have been rescued alive so far, according to police. The trawler was heading to Netrakona's Chhakurakona from Sunamganj with around 40-45 passengers on board.
However, the authorities could not immediately identify the victims.