TOPSHOT - Demonstrators start a fire during a protest at the entrance of a Carrefour supermaket where Joao Alberto Silveira Freitas was beaten to death, in Porto Alegre, Rio Grande do Sul, Brazil, on November 20, 2020. - The death of a black man on Thursday night after being beaten by white security agents in a supermarket belonging to the Carrefour group in Porto Alegre unleashed a wave of indignation in Brazil, which this Friday commemorates Black Consciousness Day. (Photo by SILVIO AVILA / AFP)