actor1: Military Forces of Pakistan (2008-2013)
actor2: Unidentified Armed Group (Pakistan)
notes: Hundreds of militants have attacked a border check post in Kharkai village in Lower Dir along the Pakistan-Afghanistan border on 21 Apr 2011, killing at least 14 security personnel.
target_text: actor1: Military Forces of Pakistan (2008-2013), actor2: Unidentified Armed Group (Pakistan)