Far-right Bolsonaro leads the polls ahead of the election, but support for opposition candidate Haddad has also risen.
Brazil’s far-right presidential candidate is leading the polls ahead of next month’s election.
Jair Bolsonaro is still in hospital after being stabbed during a campaign rally.
But support for the opposition candidate Fernando Haddad has risen sharply and he’s now in second place.
Al Jazeera’s Mariana Sanchez reports from Rio de Janeiro.