actor1: Mayi Mayi Militia (Kifuafua)
actor2: Police Forces of the Democratic Republic of Congo (2001-2019)
notes: A Mai-Mai attack at a mining quarry kills four police officers and 12 civilians.
target_text: actor1: Mayi Mayi Militia (Kifuafua), actor2: Police Forces of the Democratic Republic of Congo (2001-2019)