Nine people die in police operations in Rio de Janeiro. Residents barricaded themselves, students were unable to go to class.
Special units were looking for drug traffickers. Three years ago, police officers killed at least 28 suspected drug gang members in the Jacarezinho favela in the bloodiest operation in Rio's history. The police wanted to arrest the heads of the Comando Vermelho (Red Command) crime syndicate, which is hiding in the slum should have been arrested.