source: Daily Independent (Nigeria); Sun (Nigeria); Daily Trust (Nigeria)
actor1: Unidentified Communal Militia (Nigeria)
actor2: Bakassi Boys Militia
location: Umuahia
notes: On 7 June 2021, Abia State Vigilante Service operatives also known as the Bakassi Boys clashed with traders at the Timber Market in Umuahia (Umuahia North LGA, Abia) over the annual levy imposed by the Abia State Internal Revenue Board. One reported fatality and at least five injuries.