Members of the Bangladesh Coast Guard arrested four individuals and seized 6,815 litres of illegally transported fuel during an operation in Hatia, Noakhali, early Saturday.
Acting on a tip-off, a special team from the Coast Guard's Hatia Station conducted the operation at around 6:30am in the Meghna River near Nalchira Ghat, under Hatia Police Station.
During the operation, the team recovered 4,800 litres of petrol and 2,015 litres of diesel allegedly offloaded from a foreign oil tanker, according to the Coast Guard.
Two engine-run wooden boats used for transporting the fuel were also seized.
The estimated value of the recovered fuel and boats is about Tk 7.91 lakh.
The arrested individuals, along with the seized fuel and boats, are being handed over to Hatia Police Station for further action, Coast Guard officials said.