CHAMAN (INP) - At least eight persons, including a woman, were killed and 12 others injured in a head-on collision between a passenger van and a trailer here Wednesday. According to Levies sources, a Chaman-bound passenger van coming from Quetta collided head-on with a trailer near Saranan on Quetta-Chaman Highway while overtaking another vehicle. Six people were killed on the spot while 14 others sustained injuries. The bodies and injured were shifted to District Hospital Pishin where two more succumbed to wounds. Several among the injured with serious injuries were later shifted to Quetta. Meanwhile heirs of the deceased and injured passengers and citizens held a protest demonstration outside DH Pishin due to lack of required medical facilities and absence of staff in the hospital.