Brazil's former President Luiz Inacio Lula da Silva, who is running for re-election, campaigns a day ahead of the country's general elections, in Sao Paulo, October 1, 2022.

Video. Lula and Bolsonaro supporters rally on eve of Sunday's election

Rival supporters gathered in Sao Paulo ahead of Sunday's election, with opinion polls suggesting ex-president Luiz Inácio Lula da Silva leads the right-wing incumbent, Jair Bolsonaro.

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