Rapid Action Battalion (RAB) members have arrested one of the prime suspects in the quintuple murder case of Nandail upazila of Mymensingh from the district's Bijoynagar upazila.
The arrestee, Kamal Hossain, was picked up from a house at Singerbil village around 4pm Saturday, a day after the law enforcers arrested his father Lal Mia, who is also a suspect in the case, from the capital's Mohammadpur area.
Earlier on July 6, the detectives arrested another accused, Hiron Mia alias Killer Hiron, from Bishnupur village in the same upazila.
RAB 14 Company Commender Major Sohel Hasan said: “Kamal will be handed over to the upazila police. As of today, six accused in the case have been captured.”
On July 3, a man and his three sons were stabbed to death over ancestral land at Bashati village in Mymensingh's Nandail upazila.
The victims were Billal Hossain, 58, and his sons Farid, 28, Himel, 16 and Pavel, 10.
Police said Lal Mia and his sons Kamal Hossain, 25 and Jamal Hossain, 22, stormed into the house of Billal Hossain around 10:30pm and stabbed them indiscriminately with sharp weapons killing them on the spot.
Later, Jamal’s body was found at Bashati village on the following day.