Police cordoned off a house at Fechi Atghar in Jagannathpur upazila of Sunamganj district on Sunday, suspecting it to be a militant hideout.
Subhasish Dhar, additional superintendent of Sunamganj (Jagannathpur circle) police, said a team of police cordoned off the abandoned house Sunday morning after being tipped off that there is a huge quantity of illegal firearms and bombs in it.
The owner of the house is a resident of Sylhet city, he said.
A bomb disposal unit also went to the spot.