actor1: Rioters (Nigeria)
actor2: Police Forces of Nigeria (1999-2015)
notes: Police arrest 50 Joint Admission and Matriculation Board (JAMB) members following a violent protest against the officials of their organization. One police officer was reported injured when the rioters began throwing stones at officers.
target_text: actor1: Rioters (Nigeria), actor2: Police Forces of Nigeria (1999-2015)