KHUZDAR - Atleast six persons were killed and several others sustained injuries in a traffic accident that occurred near Khuzdar National Highway, Baluchistan, Rescue sources reported on Thursday.  According to details, a wagon carrying wedding party was going towards Khuzdar from Karachi when suddenly it collided with a trailer coming from opposite direction. As a result, six persons died on the spot. The injured were being shifted to nearby hospital for medical treatment. Further investigations are underway.