actor1: Unidentified Armed Group (Pakistan)
actor2: Military Forces of Pakistan (2008-2013)
notes: At least 26 militants and 2 officers of Pakistan Army were killed while 23 others including 11 personnel of security forces were injured as a result of armed clashes and shelling of gunship helicopters in Upper Tehsil of Orakzai Agency.
target_text: actor1: Unidentified Armed Group (Pakistan), actor2: Military Forces of Pakistan (2008-2013)