Karachi- At least six people were killed in Karachi, where the Rangers and police are conducting a joint operation. A man was killed in Orangi Town Sector 11 when he was targeted by unknown armed men. A man identified as Zia Mehsood was gunned down near Karachi Medical and Dental College. An activist of Majlis Wahdatul Muslimeen was killed when armed men opened fire on a shop in PIB Colony. According to reports, three other people were killed in Landhi, Gulistan-e-Jauhar and Baldia Town areas of the city.