source: Sahara Reporters; Daily Independent (Nigeria); Blueprint
actor1: BNG: Biafran National Guard
actor2: Police Forces of Nigeria (2015-)
location: Umuahia
notes: On 13 December 2021, policemen repelled an attack by suspected BNG militants dressed in military camouflage and using a gun truck on the police headquarters in Umuahia (Umuahia North, Abia). One policeman was killed, an unspecified number of assailants fled with bullet wounds. The Biafran National Guard claimed responsibility for the attack.