source: Sembe TV; Undisclosed Source
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: On 12 September 2021, 42 members of Boko Haram surrendered to the Cameroonian forces in Kolofata town (Mayo-Sava, Extreme-Nord).