Who are the candidates in Brazil's presidential election?

Brazilians will head to the polls on Sunday to vote for their next president.

They are choosing between Brazil's current left-wing President Luiz Inácio Lula da Silva and the right-wing Senator Flávio Bolsonaro.

Bolsonaro, the son of imprisoned former president Jair Bolsonaro, beat Lula in the first round of voting on 4 October by a narrow margin.

As Americas correspondent Ione Wells reports from Rio de Janeiro, voters are choosing between two very different candidates.

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