dead with 16 of them decapitated in the state of Para, Brazil <br /><br /><br />The latest deadly clash as Brazil's government struggles to control the country's overcrowded jails.<br /><br />State authorities said the riot began around 7 am at a prison in the northern city of Altamira, and involved rival gangs.<br /><br />Prisoners belonging to the Comando Classe A gang set fire to a cell containing inmates from the rival Comando Vermelho, or Red Command, gang, Para's state government said in a statement.<br />
