actor1: M23: March 23 Movement
actor2: MONUSCO: United Nations Organization Stabilization Mission in Democratic Republic of Congo (2010-)
notes: UN troops fired shells at M23 rebels in Goma and killed 6 rebels through sniper attacks.
target_text: actor1: M23: March 23 Movement, actor2: MONUSCO: United Nations Organization Stabilization Mission in Democratic Republic of Congo (2010-)