actor1: TTP: Tehreek-i-Taliban Pakistan
actor2: Police Forces of Pakistan (2013-2018)
notes: At least 8 policemen were killed and 20 people were injured when a sucide bomber drove his vehicle into a police bus in Karachi. TTP claimed responsibility for the attack.
target_text: actor1: TTP: Tehreek-i-Taliban Pakistan, actor2: Police Forces of Pakistan (2013-2018)