ORAKZAI AGENCY - At least four students of Otmankhel High School were killed and three others got injured when miscreants here at Zaidar area on Tuesday opened indiscriminate firing at them. In retaliatory action, security forces and Qaumi Lashkar killed seven militants. According to details, the students were on their way to school early in the morning when the incident happened. The news of the killing of the students spread immediately in Kalaya, Otmankhel, Qallat, Sunikhel, Ibrahimzai and Mehrobak areas of tehsil Kalacha, Orakzai agency. The injured students were rushed to the nearby hospital. The volunteers of the Qaumi Lashkar immediately started firing at the hideouts of the miscreants from three sides. The exchange of fire continued for about three hours in which one miscreant was killed, the Lashkar claimed. On the other side, the fighter planes of security forces bombarded the hideouts of miscreants in Syed Khel Baba village near Kalala. Resultantly, three places of the miscreants were demolished in which six miscreants were killed. According to eyewitnesses, eleven other empty houses were also damaged.