RIO DE JANEIRO — At least 60 people died in Rio de Janeiro’s most deadly police operation ever on Tuesday, a state official told Reuters, which targeted a major gang days before the city hosts global events related to the United Nations climate summit known as COP30.

Police have often conducted large-scale operations against organized crime ahead of major events in Rio, which hosted matches of the 2014 World Cup, the 2016 Olympics, the 2024 G20 summit and the BRICS summit this year.

The casualties from those operations were far less than the roughly 60 dead on Tuesday, according to a Rio state official who spoke on condition of anonymity to share an estimate more than double the official figure of at least 22 deaths given earlier in the day.

“We stand firm confronting narcoterrorism,” R

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