Brazil's President Jair Bolsonaro says he will accept a possible defeat in the second round of the presidential election, provided that "nothing abnormal" happens during the vote.

Brazil's leftist presidential contender Luiz Inacio Lula da Silva and far-right incumbent Jair Bolsonaro traded jabs and insults as they squared off in their first head-to-head TV debate on Sunday night.

People in Brazil have headed to the polls to cast their ballots, with former president Luiz Inacio Lula da Silva expected to beat far-right leader Jair Bolsonaro.

Brazilian President Jair Bolsonaro and his front-runner opponent Luiz Inacio Lula da Silva hold rival rallies within spitting distance of each other as the presidential campaign will come to an end on Saturday.

Former Brazilian President Luiz Inacio Lula da Silva has widened his lead over incumbent Jair Bolsonaro to 10 points ahead of next month's presidential election, a Genial/Quaest poll released on Wednesday showed.

A supporter of Brazilian President Jair Bolsonaro stabbed to death a backer of former President Luiz Inacio Lula da Silva.

Former Brazilian President Luiz Inacio Lula da Silva has retained his strong lead over incumbent President Jair Bolsonaro ahead of the country's October election.

Brazil's former two-term president Luiz Inacio Lula da Silva says Brazilians are "tired" of incumbent Jair Bolsonaro and will topple him in the Oct. 2 election.

A new poll ahead of Brazil's presidential election shows former Brazilian president Luiz Inacio Lula da Silva has a significant lead over Jair Bolsonaro.

The Brazilian president says his country is close to a deal to buy much cheaper diesel from Russia, amid a global energy crisis in the wake of Western sanctions targeting Moscow.