At least three persons of a family were killed and six others, including children, sustained injuries in a road accident here in khushab on Monday. According to police sources, a car was carrying nine persons of a family from Gujranwala to Bhakkar when it rammed into a tree in Roda area of Khushab and overturned due to over speeding when the driver lost his control. As a result, three persons were killed on the spot and six others, including children, sustained injuries. Local people and rescue team rushed to the spot after the incident and shifted the deceased and injured to hospital in Khushab.