Unidentified men blew up four schools in Mohmand Agency on Thursday. Sources said the militants had destroyed two primary and two middle schools in Safi tehsil of the agency by planting explosives. “Fortunately no casualty occurred in the incidents,” they said. The schools include Government Primary School Sharabkor, Government Middle School Kamalkhel, Middle School Kheir Rehman and Government Primary School Khabib Zai.