source: Guardian (Nigeria); HumAngle
actor1: Boko Haram - Jamaatu Ahli is-Sunnah lid-Dawati wal-Jihad
actor2: Islamic State (West Africa) - Lake Chad Faction
location: Kirta Wulgo
notes: On 27 September 2021, Boko Haram militants engaged ISWAP militants in an armed clash and seized ISWAP dominated Kirta Wulgo (Monguno, Borno). Scores of militants were killed with some local witnesses reporting over a hundred dead. Unknown fatalities (scores) coded as 20.