actor1: Police Forces of Pakistan (2008-2013)
actor2: Unidentified Armed Group (Pakistan)
notes: Security forces' vehicles hit an underground mine during routine patrolling in Alinigar area of Tehsil Safi, resultantly a security personnel killed and five got injured on 28 Apr 2011.
target_text: actor1: Police Forces of Pakistan (2008-2013), actor2: Unidentified Armed Group (Pakistan)