“Thursday’s raid in Jacarezinho, one of the city’s largest slums known as favelas, was carried out by about 200 police officers and included an armoured helicopter with a sniper. The area is dominated by Comando Vermelho, or Red Command, one of Brazil’s largest criminal organizations.” Brazil violence: Rio police accused by residents of abuses in raid. “The deadliest police operation in the city’s history has left 25 dead.”