Luiz Inácio Lula da Silva won Brazil's runoff after trailing in the first round, adding 10m votes, with Amazon deforestation policy at stake in his term.
A WhatsApp channel run by Congressman André Janones grew to 10.8 million followers and, allies say, helped Lula overturn his deficit to Flávio Bolsonaro in about three weeks.
Brazilian senator Flávio Bolsonaro landed at Miami's Opa-locka Executive Airport on Wednesday, two days after losing the runoff to Luiz Inácio Lula da Silva.
Brazil votes on Sunday in a presidential runoff between Luiz Inácio Lula da Silva and Flávio Bolsonaro, with polls near-tied and Minas Gerais decisive.
US Senator Bernie Sanders and 11 Democratic lawmakers ask Meta's Mark Zuckerberg to explain alleged unequal treatment of the Lula and Bolsonaro campaigns.
Brazil's Amazon deforestation fell 41.8% in the year to July 2026, the biggest drop since records began in 1988, ahead of the 25 October presidential run-off.