actor1: Unidentified Armed Group (Pakistan)
actor2: Police Forces of Pakistan (2013-2018) Frontier Corps
notes: At least 4 police were killed when militants attacked their mobile van as they were returning from an operation in Lachi Tehsil of Kohat District.
target_text: actor1: Unidentified Armed Group (Pakistan), actor2: Police Forces of Pakistan (2013-2018) Frontier Corps