Activists hold a sign that reads in Portuguese "Justice for Jacarezinho. End massacres in favelas" during a protest a day after police killed 27 people during an operation in Jacarezinho favela, in Rio de Janeiro, Brazil, on May 7, 2021.

Activists hold a sign that reads in Portuguese "Justice for Jacarezinho. End massacres in favelas" during a protest a day after police killed 27 people during an operation in Jacarezinho favela, in Rio de Janeiro, Brazil, on May 7, 2021.

© Wilton Junior/Estadão conteúdo (Agencia Estado via AP Images)