Flávio Bolsonaro, the son of Brazil's imprisoned former president, is presenting a strong challenge to Lula, 80, who is seeking a fourth term in office.
Voters in Brazil to choose between Lula and Bolsonaro's son

Original reporting
BBC News: read the full reportFollow this story
Earlier reports and follow-ups on the same developing story.
- Brazil’s Bolsonaro challenges Lula to expand release of personal records
- Brazil's runoff: Lula's legacy vs. Bolsonaro's dynasty
- Brazil's runoff: Lula's legacy vs. Bolsonaro's dynasty
- Brazil’s Lula and Bolsonaro debate policy proposals before run-off
- Brazil’s Lula and Bolsonaro about even ahead of election run-off: Poll
- Brazil’s Lula, Bolsonaro draw thousands to election-eve rallies
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