source: 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 Nigeria (2015-)
location: Maiduguri
notes: On 15 September 2021, 44 ISWAP/Boko Haram militants from locations across Borno surrendered to Nigeria troops. (location coded as Maiduguri, Maiduguri Metro, Borno).