PESHAWAR- A policeman was killed in a bomb attack on a police mobile in Peshawar today. According to police, a police mobile was on routine patrol in Peshawar's Wazir Bagh area when it struck a roadside bomb that went off with a loud explosion. Subsequently, four policemen sustained injuries. The injured police personnel were shifted to Peshawar's Lady Reading Hospital where the Head Constable succumbed to his wounds. Following the incident, police cordoned off the area and a search operation went under way.