Paramilitary Rangers arrested eight persons with weapons during targeted operations in the city.
A man was killed and another injured in a shooting incident at Murghikhana stop of Quaidabad, police sources said.
A body with bullet wounds found in Korangi 2 1/2 area. Another man was killed in firing incident in Block-7 of Gulistan-e-Johar.
Rangers personnel arrested six suspects with weapons during search operations in Madina Colony and Islamia Colony, the Rangers spokesman said in a statement.
The arrested suspects were affiliated with an outlawed militant group, statement said.
The Rangers personnel also conducted a raid in Baldia Town-IV and arrested two suspects with illegal arms. The arrested men were operatives of Lyari gangs, Rangers statement said.