Islamabad, April 30 (Reporter) A Frontier Corps (FC) soldier was killed and at least three others were injured in a terrorist attack in Pakistan's southwest Balochistan province, police said on Monday. A group of terrorists attacked a security check post of paramilitary troops' frontier corps in Dukki district of the province, police sources told Xinhua, adding that the security personnel were providing security to coal mines in the area when the militants launched the attack. The injured FC personnel have been transported to a hospital in the district, where the condition of one security member is said to be critical. Police and security forces have cordoned off the area and launched a search operation to arrest the perpetrators. No group or individual has claimed responsibility for the attack yet...////...