KARACHI - Three including a political activist of MQM-H were gunned down in different incidents of target killings here Tuesday. An activist of MQM-H, identified as Sajjad, 25 son of Dulhe Mian, was shot dead in Sector 36-B of the Bukhara Industrial Area of Landhi police station. However, the police declined to confirm the affiliation of the deceased with any political party. A resident of Sector 4-A, Landhi sustained a bullet injury on his head and died on the spot. Similarly, a 28-year-old factory worker, Muhammad Raza, son of Shamshad, was gunned down in Jauhar Colony. The police said the deceased was Urdu speaking and the motive behind his killing was yet to be ascertained. His body was rushed to Civil Hospital for autopsy and later handed over to his family.