A lighter vessel named MV Gayehera-4 carrying 1,422 tonnes of fly-ash capsized in the Shibsa River in Khulna on Friday.
However, no casualties were reported in the incident.
The Nallian Naval Police Station rescued 12 sailors alive from the ship.
Tarak Chandra Nath, inspector of Nallian Naval Police Station, said the lighter vessel, MV Gayehera-4, got stuck at Nallian area of the Shibsa River. On information, a team of river police went there and rescued the sailors. Movement of ships on Shibsa River is normal.
The lighter vessel was carrying 1,422 metric tons of fly-ash (cement raw material) from India to a cement factory located in Ghorashal area of Bangladesh.