source: Sun (Nigeria)
actor1: Islamic State (West Africa) - Lake Chad Faction and/or Boko Haram - Jamaatu Ahli is-Sunnah lid-Dawati wal-Jihad
actor2: Civilians (Nigeria)
location: Mandaragirau
notes: On 23 September 2020, Boko Haram militants attacked residents in Mandaragirau (Biu LGA, Borno), killing no fewer than three and injuring about seven residents.