DERA ISMAIL KHAN: Six members of a family were killed and a woman sustained injuries in a head-on collision between a bus and car at Pasha Pull in the limits of Saddar Police Station on Monday, police said. The sources said that Dr Muhammad Nasim Kundi along with his family members was on way home from his official residence in the Mufti Mahmood Hospital when an over-speeding bus collided with his car at Pasha Pull. As aresult, six persons including Dr Nasim Kundi, his mother, wife, two sons and one sister were killed on the spot while his another sister sustained critical injuries. Following the accident, the police and rescue team reached the spot and shifted the dead and injured to the District Headquarters Hospital. Dr Nasim Kundi, was a cardiologist, employed at the Mufti Mahmood Hospital in DI Khan.