Ibaneis Rocha, the governor of the country's Federal District, tweeted: " I come to inform you that more than 400 people have already been arrested and will pay for the crimes committed. We continue working to identify all the others who participated in these terrorist acts this afternoon in the Federal District. We continue to work to restore order."

Three key buildings in the city-  the Supreme Court, the presidential palace and the congressional building - were stormed by the supporters of the former President of the country.

The incident recalled memories of Jan 6, 2021 invasion of the US Capitol building by supporters of  former president Donald Trump.

Bolsonaro denounced the "depredations and invasions of public buildings" in Brasília, after his supporters stormed key government buildings Sunday, reports CNN.

He tweeted: "Peaceful demonstrations, in the form of the law, are part of democracy. However, depredations and invasions of public buildings as occurred today, as well as those practiced by the left in 2013 and 2017, escape the rule."

Making a stunning comeback, Luiz Inacio Lula da Silva defeated  Jair Bolsonaro to become the president of the country last year.

His victory  marked the end of the country’s most right-wing government in decades.

In the weeks since Bolsonaro's loss, thousands of his supporters have gathered at military barracks across the country, asking the army to step in as they claim, with no evidence, that the election was stolen, reports CNN.