source: Vanguard (Nigeria)
actor1: Police Forces of Nigeria (2015-)
actor2: Civilians (Nigeria)
location: Onitsha
notes: 22 May. Members of MASSOB-Uwazuruike were attacked by police forces when preparing 19th anniversary in Onitsha. Police forces were reported to have stormed the place and shot in the crowd. Two people killed and 15 injured.