
A prison riot has left at least 56 dead, with decapitated bodies thrown over prison walls in the bloodiest violence in more than two decades in Brazil’s overcrowded penitentiary system, officials in the Amazon city of Manaus said on Monday.

A least twenty people were killed and seven injured in a wave of Thursday/Friday overnight shootings in Brazil's biggest city, Sao Paulo, some of them gunned down in cold blood as they sat in a bar.Alexandre de Moraes, head of the Sao Paulo state security department, announced the death tally -- originally placed at 20 -- Friday after media reports of a deliberate massacre in the suburbs, possibly by rogue police.