source: 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: Gashigar
notes: 25 September. Military forces intervened as Boko Haram attempted an attack on Gashigar. Boko Haram withdrew. According to military sources, Boko Haram suffered 'severe human losses' (coded as 10 fatalities).