A riot between inmates in a prison in the Brazilian city of Manaus ended with 57 dead. The unrest took place in four prisons of the eastern region of the country.

The riot began during visiting hours at the prison, and prisoners" family members also protested outside the facility, blocking a road and clashing with police.

Inmates at the jail in the Amazon jungle city were choked to death or stabbed with toothbrushes, according to a statement from the head of the Amazonas state jails.