actor1: Police Forces of Nigeria (1999-2015)
actor2: Unidentified Armed Group (Nigeria)
notes: Gunmen killed a police constable and prison warder in their residences located along Oil Amery Barrack Road in Potiskum, Yobe State. The motivation for the killings is unknown.
target_text: actor1: Police Forces of Nigeria (1999-2015), actor2: Unidentified Armed Group (Nigeria)