source: AFP
actor1: Islamic State (West Africa) and/or Boko Haram - Jamaatu Ahli is-Sunnah lid-Dawati wal-Jihad
actor2: Civilians (Nigeria)
location: Kalle
notes: 20 October. Boko Haram attacked farmers tending to their fields in Kalle, 17 km from Maiduguri (approx coordinates used). The attackers killed 12 civilians.