At least 8 militants have been killed and scores others injured in an exchange of fire with the security forces here in Kabal Tehsil on Wednesday, ISPR Swat said. A security man was also killed in the clash. Militants launched an attack with mortar shells on Tota Bandai check post, however, no casualties were reported in the incident. In another incident unknown assailants destroyed a Boys High School with explosives but no loss of life was reported. Militants also attacked Mengora security check post with small weapons but they had to run away when the security forces retaliated with fire.