source: Daily Post (Nigeria)
actor1: Islamic State (West Africa) and/or Boko Haram - Jamaatu Ahli is-Sunnah lid-Dawati wal-Jihad
actor2: Military Forces of Nigeria (2015-) Joint Task Force
location: Goniri
notes: 27 December. Boko Haram attacked Nigerian military forces in Goniri. According to local sources the battle caused heavy casualties among Boko Haram.