NewzFormer Brazilian leader Luiz Inacio Lula da Silva holds a lead in the polls ahead of the country's upcoming first-round presidential vote. Analysts indicate that a runoff election is likely to determine the final outcome.
Under Brazil's electoral rules, if no candidate secures more than 50 percent of the valid votes—defined as excluding blank and null ballots—during the initial vote on October 4, the top two contenders will advance to a second-round runoff scheduled for October 25.
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