At least one policeman was injured in a grenade attack near a police check post on the outskirts of Peshawar on Wednesday. Police also killed one of the attackers in the encounter. According to sources, unknown gunmen riding a motorcycle attacked the Bara Qadeem check post with a hand grenade. One policeman sustained injuries in the attack, sources said, adding that the police rushed after the attackers killing one of them. The Bara Qadeem check post, located on Bara Road, leads to the Khyber tribal region.