Police in a drive at an alleged militant den at Birampur Pagladah in the suburb of Jessore district town on Monday night recovered 5 kg acid, 150 detonators, 25 packets of explosive gel and huge grenade-making materials and electric devices.
Police also arrested house owner Mozaffar Ahmed, imam of the old hostel mosque of Govt MM College situated in Old Kasba area of the town. However, his wife and two children who were staying at the house were not arrested during the drive.
The law enforcers entered the house along with Mozaffar who was detained from the college hostel mosque earlier around 9pm, said officer-in-charge of Kotwali Police Station ATM Ajmal Huda.
During the hour-long drive that ended around 10pm, one loaded pistol and three magazines were also found at the militant hideout, said Police Super Anisur Rahman.
Earlier, police cordoned off the house near Birampur-Pagladah connecting bridge around 7:30pm after being tipped off that militants were staying inside, he said.
Over 100 law enforcers, including members of Detective Branch (DB) of police, Special Weapons And Tactics (SWAT) and bomb disposal unit, took part in the drive, led by the SP.