KOHAT (Online) - A security guard of PAF has reportedly been killed while another suffered wounds in a firing incident at the main gate of Pakistan Air Force (PAF) base here on Thursday. Some unidentified persons resorted to indiscriminate firing at the main gate No 2 of PAF base. As a result, one security personnel died while another suffered critical bullet injuries. Hospital sources said two PAF personnel were brought to hospital emergency where one died.