source: CKN Nigeria
actor1: Military Forces of Nigeria (2015-)
actor2: Islamic State (West Africa) - Lake Chad Faction
location: Gudumbali
notes: On 11 March 2021, ISWAP fighters ambushed and clashed with Nigerian military troops and CJTF members near Gudumbali (Guzamala LGA, Borno), killing 15 soldiers and 4 CJTF members. 10 soldiers and 3 CJTF members were also injured in the ambush.