source: Sun (Nigeria); Guardian (Nigeria); Nigeria Herald; Daily Trust (Nigeria); Inside Arewa (Nigeria); Daily Champion; Premium Times (Nigeria)
actor1: Police Forces of Nigeria (2015-)
actor2: Civilians (Nigeria)
location: Sokoto
notes: On 25 September 2020, a policeman shot worshippers at Sultan Bello Jumu'at mosque in Sokoto (Sokoto North LGA, Sokoto), killing one and injuring three. Police sources report no reasonable justification for event and have arrested the policeman.