source: Undisclosed Source
actor1: Ambazonian Separatists (Cameroon)
actor2: Military Forces of Cameroon (1982-)
location: Kumbo
notes: On 11 September 2021, the Ambazonian separatists ambushed a military convoy at Kikaikilaiki village, Kumbo subdivision (Bui, Nord-Ouest), killing 7 soldiers.