actor1: Unidentified Armed Group (Nigeria)
actor2: Police Forces of Nigeria (1999-2015)
notes: Gunmen on Monday assassinated a Deputy Superintendent of Police (DSP), Mr Emmanuel Ochiobi, attached to the Central Police Station, Onitsha in Anambra.
target_text: actor1: Unidentified Armed Group (Nigeria), actor2: Police Forces of Nigeria (1999-2015)