KARACHI - At least eleven people were killed in separate incidents of violence within an hour in Karachi on Thursday night, reports said. Seven people were killed near Dr Nadir Homeopathic Hospital at Karachi-Hyderabad Superhighway. The incident spread fear among residents of the area as shops were shut.Meanwhile, a man was gunned down in Gulbahar locality while another was killed near Singer Roundabout in Korangi. Two people were injured in another incident of firing near Sir Syed University in Gulshan-i-Iqbal neighbourhood. Both later succumbed to their wounds while receiving medical treatment in a nearby hospital. The dead, police said, were robbers and were gunned down by cops in a fire exchange.