actor1: Police Forces of Nigeria (1999-2015)
actor2: Unidentified Armed Group (Nigeria)
notes: Unidentified gunmen attack and killed the Assistant Superintendent of Police while on duty and wound three others in Katsina-Ala. The gunmen were later suspected to be hired assassins.
target_text: actor1: Police Forces of Nigeria (1999-2015), actor2: Unidentified Armed Group (Nigeria)