actor1: Unidentified Armed Group (Pakistan)
actor2: Police Forces of Pakistan (2008-2013)
notes: Four police personnel including a sub-inspector were killed and two others seriously injured when an explosive device hit a police van on Kohat Road here on Tuesday evening. The blast occurred when the police vehicle was on a routine patrolling.
target_text: actor1: Unidentified Armed Group (Pakistan), actor2: Police Forces of Pakistan (2008-2013)