source: Undisclosed Source
actor1: Islamic State (West Africa) - Lake Chad Faction and/or Boko Haram - Jamaatu Ahli is-Sunnah lid-Dawati wal-Jihad
actor2: Civilians (Cameroon)
location: Koza
notes: On 4 September 2021, suspected Boko Haram fighters extorted money from residents and shot one boy dead in Koza village (Mayo-Tsanaga, Extreme-Nord).