source: Sahara Reporters; Daily Post (Nigeria)
actor1: Military Forces of Nigeria (2015-)
actor2: Islamic State (West Africa) - Lake Chad Faction and/or Boko Haram - Jamaatu Ahli is-Sunnah lid-Dawati wal-Jihad
location: Kamuya
notes: Around 18 April 2021 (as reported), Boko Haram fighters clashed with Nigerian military at Kamuya (Biu LGA, Borno), killing four soldiers and destroying military equipment. One suspect arrested.