More than 300 Rangers personnel participated in the search operation.
Eight suspected militants of a banned group were detained with weapons during the house to house search operation in Manghopir area.
An FIR has been registered at Darakhshan police station about late night firing incident in Defence area of Karachi at the house of SP CID Khurram Waris.
The case has been filed under terrorism law against unidentified culprits on the complaint of the body guard of the police officer.
