QUETTA, Jan 7: At least four persons were killed and 15 others injured, five of them seriously, when a passenger wagon overturned on the Quetta-Mastung road here on Friday.Police sources said a Mastung-bound wagon coming from Quetta overturned due to overloading some 20km from the provincial capital, resulting in the death of four people on the accident scene.

Soon after the accident, police reached the site and shifted the injured people to Bolan Medical College Hospital, Quetta. The condition of five them was stated to be serious.