source: Sembe TV
actor1: Islamic State (West Africa) - Lake Chad Faction and/or Boko Haram - Jamaatu Ahli is-Sunnah lid-Dawati wal-Jihad
actor2: Military Forces of Cameroon (1982-)
location: Kolofata
notes: Around 7 September 2021 (between 5 - 9 September), 123 Boko Haram fighters surrendered to the Cameroonian military forces and local militia around Kolofata (Mayo-Sava, Extreme-Nord).