source: Mimi Mefo
actor1: Military Forces of Cameroon (1982-)
actor2: Islamic State (West Africa) - Lake Chad Faction and/or Boko Haram - Jamaatu Ahli is-Sunnah lid-Dawati wal-Jihad
location: Tchollire
notes: On 3 December 2021, the military forces released 6 Boko Haram hostages during a security operation in Tchollire town (Mayo-Rey, Nord). There were no fatalities.