MIRANSHAH- At least eight security personnel were martyred and several others were injured, in a roadside blast in the restive tribal area.According to reports, a vehicle of the security personnel was targeted through a roadside remote controlled device, at Ghulam Khan Road in Miranshah, headquarters of North Waziristan tribal agency. The ISPR has confirmed martyrdom of eight soldiers. Security forces cordoned off the area while dead and injured were shifted to CMH, Miranshah.