🔗 Share this article At least 64 Dead in Rio's Biggest Law Enforcement Operation on Criminal Groups Locals described the neighborhood to a combat area after the operation No less than 64 civilians were killed in a law enforcement action targeting the criminal organization Comando Vermelho in Rio de Janeiro's northern suburbs - the biggest and most lethal operation in the area's records. Four law enforcement personnel were among those killed during the police action in the communities of Alemão and Penha, local authorities reported. More than 80 people were taken into custody. Approximately 2,500 law enforcement officers participated in the police raid Fierce clashes erupted when around 2,500 police forces initiated the operation on Tuesday early hours. The criminal organization reacted using gunfire, igniting obstacles and using drone-dropped explosives, police representatives confirmed. The International human rights organization said it was "shocked" by the security action, demanding "swift and comprehensive examinations". Raid Aftermath The informal settlements near the city's international airport is regarded as the main base of one of Brazil's most powerful organised crime groups. State officials said a minimum of 50 of the fatalities were "classified by law enforcement as potential lawbreakers". Dozens of people were injured, including non-combatants affected by the violence. Resident Accounts Residents have compared the mountainous region - inhabited by approximately 300,000 individuals - to a "war zone" since the operation began. Roads remain closed across the area. Gang Growth The criminal network has been increasing their control throughout the region, expanding narcotics distribution networks and power in the informal settlements. Rio's police reported in excess of 200kg (441lb) of drugs were captured in the operation, together with dozens of firearms. Operation Background The joint operation by different law enforcement agencies comes after a year-long investigation. Dozens of the suspects are considered members of a faction from the Pará state who are presently concealed in Rio de Janeiro. Broader Context Large-scale police operations are regular in Brazil before important worldwide conferences in the nation. The UN climate summit the environmental summit is set to occur in the city of Belem in the north in November.