ORAKZAI AGENCY - At least 15 extremists were killed and 22 others arrested as a result of armed clashes with security forces in the restive Orakzai Agency, Saturday. Sources informed TheNation that security forces and Taliban militants exchanged intense firing in Khuy Dad Khel area of Upper Orakzai Agency, which resulted in killing of 15 militants. A dozen militants were also arrested in the operation. The clash also left two personnel of the security forces injured during exchange of firing. Armed militants attacked a security force check-post in the wee hours in Lower Orakzai Agency area of Chapri Ferozkhel, resulting in partial damage of the check-post. However, six extremists were shot down in the retaliatory action by the forces. Security forces also targeted three vehicles of insurgents while a large number of militants managed their escape form the area. It is worth-mentioning here that Orakzai Agency is one of the important area where militants from Kurram and Khyber Agency are taking refuge in their safe havens, however this time security forces have pushed back the militant from this scenic valley of Orakzai Agency.