Mohmand Agency- Four security personnel were killed when a roadside bomb targeted their vehicle today. Sources close to security forces said that the explosion occurred when a convoy of security men was passing through Tehsil Pindiali today morning and hit an improvised explosive device (IED) near the road. As a result of the roadside bomb blast, four security men were killed while two others were injured who were rushed to a nearby hospital for treatment. Law enforcement agencies cordoned off the area after the incident and initiated a search operation.