Members of detectives in a drive arrested three robbers along with fire arm and bullet from city’s south Matuail area under Kadomtoli Thana on Thuesday night.The arrestees were identified as Asaduzzaman alias Palash, Kamal Hossen and Faridul Islam Khokon.Masudur Rahman, Deputy Commissioner of Dhaka metropolitan media and public relations department said acting on secret information that a gang of inter district robbers were preparing to commit robbery at the area, law enforcers conducted a drive at the area.During the drive detectives arrested the trio and recovered one fire arm and seven rounds of bullets and one motor cycle from their possession.A case was filed with Kodomtoli Police Station in this connection.