source: CKN Nigeria; Daily Champion
actor1: Police Forces of Nigeria (2015-) Prison Guards
actor2: Unidentified Armed Group (Nigeria)
location: Ukpo-Akpu
notes: On 19 April 2021, unidentified gunmen clashed with Nigerian Correctional Service Operatives following an IED attack on Ukpo Police Station in Ukpo-Akpu (Dunukofia LGA, Imo) and freed prison inmates. Gunmen also set the Police Headquarters ablaze. Community sources report two police operatives were killed. Police sources on the other hand report that one gunman was killed and two police operatives sustained injuries. Police operatives also recovered weapons and ammunition.