The seven crew members of MV Al Bakhera were hacked to death by a fellow, Akash Mondal Irfan, on board the ship in the Meghna River in Haimchar, Chandpur, by administering sleeping pills.
The killer was arrested by RAB from the Chitalmari area of Bagerhat early today.
Lt Col Munim Ferdous, director of Rab's legal and media wing, said, The accused sedated the victims using sleeping pills and then hacked them to death.
He said that Irfan had gone to a market in Pabna to buy groceries for the ship. From there, he bought three packs of sleeping pills. Irfan made them sleep by administering a sedative then hacked and killed seven people with a Chinese axe. The axe was already on the ship for safety.
Rab will hold a press briefing later in the day.
The seven crew members were stabbed to death aboard the Meghna in Chandpur early Monday. Responding to a 999 call, a team of river police went to the vessel around 3:00 pm and recovered five bodies from the ship.
