A trawler with at least 100 passengers sank in the River Buriganga after colliding with a barge on Saturday night.
About 80 passengers were missing till 10:30pm, while rescue operation was continuing.
None was found dead yet.
Fire brigade sources said their divers had traced the trawler about 65 feet under water, but it could not be salvaged till 10:30pm.
Besides a Navy divers` team is also on its way to the spot at Balurghat.
Police and locals said a Sadarghat-bound barge (small cargo vessel) from Aminbazar collided with the trawler at about 8:15pm. The trawler was going to Kamrangirchar-Mandail from Babuganj Bridge area.
Only 20 passengers of the capsized trawler managed to swim ashore.
Rescue teams from different fire stations, including Sadarghat, rushed in and were conducting search for the missing passengers.
-With New Age input