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: Monguno
notes: The Nigerian Army said on Wednesday that its troops killed 186 Boko Haram insurgents in the ongoing clearance operation in Sambisa Forest and Lake Chad region in the 'past one month.' (29 battle fatalities have been recorded elsewhere.) The troops also reportedly rescued 3,745 hostages. Dates and specific instances not provided. Fatalities split between two events.