This combination of pictures created on September 23, 2026, shows Brazil's President Luiz Inacio Lula da Silva (L) posing for a selfie with a supporter during the inauguration of the Center for Technological Development in Health (CDTS/Fiocruz) at Fiocruz in Rio de Janeiro, Brazil, on May 23, 2026; and Brazilian right-wing presidential candidate Flavio Bolsonaro (R) of the Liberal Party (PL) posing for pictures with supporters during a campaign rally in Juiz de Fora, Minas Gerais state, Brazil on September 9, 2026. In a knife-edge race for the presidential election on October 4, 2026, Brazilian President Luiz Inacio Lula da Silva and his main rival Flavio Bolsonaro have deployed volunteer digital armies online to spread their messages and battle for voters. These online campaigns have highlighted the growing role of social media in politics, but raise questions about compliance with electoral rules. (Credit: Photo by Daniel RAMALHO and Pablo PORCIUNCULA / AFP via Getty Images)
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