PESHAWAR - Two policemen have been gunned down by some unknown militants here in Kamboh Adda area, sources disclosed on Sunday. As per the sources, the two policemen namely Hidayat and Imtiaz were on routine patrolling in the area of Pahari Pura Police Station when some unknown militants suddenly fired at them. Both the policemen died on the spot. The militants escaped from the scene after committing the crime. Later, police launched a search operation and arrested several suspected persons.