source: Twitter; Legit; News Chronicle; Sun (Nigeria); Daily Post (Nigeria); Blueprint; Guardian (Nigeria); AFP; Daily Independent (Nigeria); Nigeria Punch; AP; Nigeria Herald; Sahara Reporters; Premium Times (Nigeria); Desert Herald; Nigerian Eye
actor1: Islamic State (West Africa) - Lake Chad Faction and/or Boko Haram - Jamaatu Ahli is-Sunnah lid-Dawati wal-Jihad
actor2: Military Forces of Nigeria (2015-)
location: Gajigana
notes: On 17 May 2020, Boko Haram attacked Gajigana (Magumeri LGA, Borno) with RPGs. 20 civilians were killed. NAF received close air support to repel BH.