Tens of thousands of Brazilians took to the streets in protest against the presidential front-runner, a far-right congressman whose campaign has exposed and deepened divisions in Latin America's largest country.
The protests came the same day that Jair Bolsonaro was discharged from a Sao Paulo hospital where he received treatment after being stabbed during a campaign rally on Sept. 6.
On Saturday evening, after flying home to Rio, he tweeted that there was "no better feeling" than to be close to his family.
In Sao Paulo, Rio de Janeiro and Brasilia, people flooded avenues and squares to sing, dance and shout "Not him!" the rallying cry of groups who are trying to prevent Bolsonaro from taking office in October elections.
"We're saying to those people who are undecided: Not him," said Selia Figueiredo, a 43-year-old banker in Sao Paulo, who said she worried for her rights as a gay woman if Bolsonaro were to win.
They can vote "for anyone else, but not him." In the heart of Sao Paulo, Brazil's largest city, leftist presidential candidate Guilherme Boulos and his running mate Sonia Guajajara led the march, while people beat drums and waved gay pride flags and banners that denounced Bolsonaro, who is known for offensive comments about gays, women and black people.
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In downtown Rio de Janeiro, a crowd that was heavily women shouted: "Sexists and fascists won't advance!" Other smaller rallies were held in cities around Brazil, including some in support of the candidate.
Bolsonaro's candidacy has attracted international attention as an example of the trend in many countries toward populism and extremes in politics, and small protests were held against him in London, Lisbon, Berlin and Paris.
Bolsonaro is currently leading polls with around 28 per cent of support among voters polled, but he also has the highest rejection rate of any candidate.
That could become especially important if no one wins the majority of votes on Oct. 7, and the election is decided in a second round. Polls then show him losing in most scenarios. Bolsonaro has said he will accept nothing less than victory and suggested his opponents will commit fraud to defeat him.