Four more people including a woman were killed in firing and violent incidents in Karachi on Monday. Police said that a body of unidentified man was recovered from Arambagh area. The deceased was shot dead after torture. Police found tortured body of a man killed in Kanwari colony Manghopir. In another incident, a stray bullet killed a sleeping woman unidentified as Saima in Dislowa colony Nazimabad. Police also recovered a body from Mehmoodabad. Last night, at least 18 people were killed in separate incidents in Karachi. The incidents took place in different areas in Karachi including Orangi area, Meva Shah Graveyard, Nusrat Bhutto Colony, Jamshed Road, Zaman, Quaidabad and Jamshed Town.