According to official sources, the mobile van was on routine patrolling when a planted bomb blew up.
A large contingent of police had reached the site after the incident and cordoned off the area. They have started raid and arrest and started gathering evidences.
Rescue teams have transferred the injured and dead to hospital for medical care and medico-legal formality respectively.
Hospital authorities told that the martyred policeman was identified as Naveed, who was a driver of police mobile van.