At least 52 killed in riot at Brazilian prison
Part of Altamira facility set on fire during fight between criminal groups
At least 52 prisoners have been killed by other inmates during a riot at a prison in northern Brazil.
Inmates also set part of the Altamira prison on fire, preventing authorities from entering parts of the facility.
The total number of victims could rise.
Authorities say a fight between criminal groups erupted early Monday.
No members of the prison’s staff were injured. – AP