At least six persons including an officer of Karachi Electric Supply Company (KESC) were killed and five others injured in fresh spate of target killings in different localities of the city on Tuesday. According to police, armed motorcyclists opened fire at the car of KESC Deputy Manager Syed Imran Jafferi in North Nazimabad area near Saifi College while he was on his way to office, killing him on the spot and fled the scene. In 5-D area of Sarjani Town, unidentified gunmen kidnapped and shot dead one man named Naseer. The deceased was running a tyre shop in the area. Unidentified persons opened fire and killed a 28-year-old man in Godhra area when he was sitting outside his house. Police said that the deceased belonged to a banned organization. In Khawaja Ajmernagri, motorcyclists opened fire and killed a Special Investigation Unit official identified as Nisar Abbasi. In yet another incident of firing, a man named Muhammad Ali was shot dead in Chakiwara area. Police have termed the incident result of an old enmity while some unidentified persons killed a man in Manzoor Colony. Meanwhile, the police rescued injured Sheraz Baloch from Gul Muhammad Line in critically condition. He was kidnapped a couple of days earlier from Bahar Colony. He was shifted to Civil Hospital Karachi for treatment. At least four persons were injured in separate firing incidents in Sohrab Goth, Pak Colony and other areas of the city.