source: Citizen (Tanzania); BBC News; Mwananchi; AFP; VOA
actor1: Police Forces of Tanzania (1964-)
actor2: Civilians (Tanzania)
location: Mwanza
notes: On 21 July 2021, police officers in Mwanza (Nyamagana, Mwanza) arrested at least 38 members of the opposition party Chadema, including the leader of Chadema party, and blocked a conference organized by the party.