At least four more persons were killed in separate acts of target killings in the city on Sunday. According to police, the latest killings took place in Orangi Town where a 40-year-old man was gunned down by some unidentified armed men in Chishti Nagar. He was identified as Zahid s/o Saeed. Another man was also killed in Sarjani Town area. In another incident, unknown gunmen attacked an oil supply vehicle, killing two men on the spot. Fear and panic gripped the area after the firing. Police reached the scene and shifted the bodies to Abbasi Shaheed Hospital. Police and Rangers personnel cordoned off the entire area after the firing incidents.