Police and Rangers on an intelligence report about presence of hardened criminals launched a joint operation in Pakhtun Abad area of Manghopir, sources said.
The law enforement agencies closed the entry and exit points of the area and initiated house to house search in the locality.
The law enforcers detained 12 suspects including Afghan nationals for investigation.
Moreover, two people killed in shooting incidents in the metropolis.
An unidentified dead body with bullet wounds found in Agra Taj Colony in Lyari.
A man Sarfaraz was killed in a firing incident in Raees Amrohvi Colony of Orangi Town. According to police officials the killing was the result of personal enmity.