Latin America's largest country votes Sunday, Oct. 4, for a president, governors and Congress. Thirteen candidates are running for president, but the spotlight is on the two front runners: President Luiz Inacio Lula da Silva, seeking a fourth term, and Senator Flavio Bolsonaro, son of former President Jair Bolsonaro. Recent polls show them statistically tied in a possible runoff. CGTN's Lucrecia Franco reports from Rio de Janeiro.

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