source: Guardian (United Kingdom); Vanguard (Nigeria)
actor1: Military Forces of Nigeria (2015-)
actor2: Islamic State (West Africa) and/or Boko Haram - Jamaatu Ahli is-Sunnah lid-Dawati wal-Jihad
location: Arege
notes: 13 April. Military air forces strike a Boko Haram position 12km East of Arege. Vehicles reportedly destroyed. An estimated 40 dead in the strike.