At least five suspected militants were killed during clashes in the Orakzai tribal region, a private TV quoted security sources as saying. According to official sources, a clash took place when militants attacked a checkpoint in the agencys Beizot area. Security forces retaliated and killed five suspected militants while injuring several others. Meanwhile, five suspected militants were arrested in the agencys Mishit-Mela and Ferozekhel areas. Troops also claimed to have killed over 400 militants during the military operation in Orakzai.