Brazil prison riot: At least 57 killed, 16 decapitated during clash

At least 57 prisoners killed during clash between crime groups in Brazil's Altamira prison. According to prison officials, 16 of the victims were decapitated. Para state prison authorities said a fight erupted around 7 am. Rio de Janeiro-based Comando Vermelho clashed with a criminal group known as Comando Classe A. The leaders Comando Classe A set fire to a cell where members of the Comando Vermelho were located. The fire prevented police forces from entering the building for several hours. Prison authorities said 46 inmates will be transferred to other prisons.