source: Sun (Nigeria); CKN Nigeria; Daily Independent (Nigeria)
actor1: Military Forces of Nigeria (2015-)
actor2: IPOB: Indigenous Peoples of Biafra
location: Owerri
notes: On 6 June 2021, Nigerian military and police forces clashed with the Indigenous People of Biafra (IPOB) security outfit, Eastern Security Network (ESN), during an attack against the Imo Divisional Police Headquarters (Owerri Municipal LGA, Imo), killing five fighters including a top IPOB/ESN Operational Commander. Nigerian police also recovered weapons and ammunition.