President Jair Bolsonaro and former president Luis Inácio Lula da Silva face each other this Sunday in the second round of elections in Brazil.
Bolsonaro has said without proof that there is a risk of fraud and suggested that the Armed Forces should carry out a parallel count of ballots.
Could this Sunday's election generate a crisis?
Carmen Aristegui spoke with Sergio Fausto, political scientist and executive of the Fernando Henrique Cardoso Institute.