ORAKZAI/BAJAUR (Agencies) The security forces executed four militants and arrested two in a clash at Toba Khora area of Orakzai Agency on Sunday. The extremists had attacked a checkpost after which the security forces retaliated with full force, using heavy and light weapons. And in Bajaur Agency, the security forces arrested three suspected persons during a search operation and shifted them to an undisclosed location for interrogation. The official sources said the security forces and Khasadar Force on a tip-off about the presence of outlaws at Lagari area of restive Tehsil Loi Mamond and apprehended Idrees, Ibrahim and Jan Wali. A huge quantity of arms and ammunition has also been seized during the action in Kagari and Katkot areas. Meanwhile, the militants blew up the house of a leading local tribesman with explosive device.