source: Local Source; This Day (Nigeria); Twitter
actor1: Military Forces of Nigeria (2015-)
actor2: Islamic State (West Africa) and/or Boko Haram - Jamaatu Ahli is-Sunnah lid-Dawati wal-Jihad
location: Abadam
notes: 11 April. Nigeria air forces conducted air strikes against Boko Haram locations at Arege and Tumbun Rago in Borno State. 20 believed dead.