A police cop was killed and three others injured when unknown miscreants opened fire at police mobile van here in Lower Dir on Sunday.

According to details, militants opened fire at police van while it was on routine patrol near Jandol Bazaar of Lower Dir.

As a result of fire the police van was damaged and a police cop was killed on the spot while three others sustained serious wounds.

The miscreants managed to flee from the scene after firing incident.

The injured were shifted to District Headquarters Hospital Timergara for treatment.

Heavy contingent of police cordoned off the area after firing and launched search operation but no arrest has been made.