One person was killed while one other was injured in different incidents of violence in metropolis, here on Thursday. According to police and rescue sources, Masnoor Ahmad was shot and killed by unknown person in Gulshan-e-Bihar Colony located in Orangi town. The body was shifted to Abbasi Shaheed Hospital (ASH) for medico-legal formalities. A man named, Khalil was shot and injured by unidentified man near Khairabad Chauk, located in Orangi town. The injured was shifted to ASH for medical aid.