A bus plunged into a pond with over 50 passengers on board on Friday evening at Kalugazir Pukur area in Subarna Char upazila.
Sayedur Rahman, officer-in-charge of Char Jabbar Police Station, said the incident took place around 7pm.
Quoting locals, he said the Subarno Paribahan bus from Hatiya upazila was going to Subarna Char Upazila carrying a bridegroom’s party.
District Fire Service and Civil Defense Assistant Director Humayun Kabir said two units of fire service from Maijdi Fire Station and Subarna Char went to the spot.
The rescue operation is underway.