Rapid Action Battalion (RAB) claimed to have arrested a Shamsul Alam (26), who is a member of a banned militant group Ansar al Islam on Sunday from theKalyanpur area in the capital.
An officer of RAB-4 confirmed the matter to the Business Post on Sunday.
Earlier through a press release, RAB-4 said they carried out a raid and arrested Shamsul from Kalyanpur bus stand area around 1:30am.
He is an active member of the group and also used to propagate extremism online, collect funds and recruit fresh operatives in Sunamganj and Habiganj district, the press release said.