source: Sembe TV
actor1: Islamic State (West Africa) - Lake Chad Faction and/or Boko Haram - Jamaatu Ahli is-Sunnah lid-Dawati wal-Jihad
actor2: Guederou Communal Militia (Cameroon)
location: Guederou
notes: On 21 June 2020, the local vigilance group successfully repelled an attack of Boko Haram in Guederou village (Mayo-Sava, Extreme-Nord). No fatality and/or casualty reported.