The police and rangers arrested over a dozen suspects from various parts of the city.
A man, Shahab, was shot dead in Bangali Para locality of Korangi, police said.
A dead body with bullet wounds was found near a water drain in Surjani Town.
Police arrested four persons after exchange of fire in Darakhshan police jurisdiction. A stolen car and arms recovered from their possession. The accused were said to be involved in a number of street crimes.
Policemen after gunfight arrested an accused in injured condition.
Police and Rangers conducted raids in Lyari, Orangi and Gulbarg and arrested several accused which were later transferred to undisclosed place for interrogation.