Bolsonaro has been taken into custody after authorities determined he posed a concrete flight risk while under home confinement.
The ex-president was found guilty of planning a armed takeover in the ninth month and sentenced more than a 27-year term in incarceration, but he was staying under house arrest pending legal challenges.
Brazilian Supreme Court Justice Justice Moraes said the decision to arrest the septuagenarian politician was a preventative measure after "new facts" came to light.
This involved attempting to break his electronic bracelet and a invitation to a supporters' gathering that could facilitate a possible escape.
Judicial Records Show Escape Concerns
In a paperwork permitting the custody, the magistrate said data from the centre monitoring Bolsonaro's house arrest suggested the former leader's "intention to break the electronic ankle bracelet to guarantee victory in his flight.
This, it said, would be made easier by the disorder caused by the protest called by his son.
His son, Flávio Bolsonaro, who serves as a legislator, called for a assembly of his followers near the former president's residence to take place on Saturday night.
The senator wrote on online platforms on the previous day: Will you battle for your nation, or observe everything from your phone there on your sofa? I urge you to struggle with us."
He said the vigil would be so supporters could offer prayers for his health and for the reestablishment of democratic governance in our land."
Foreign Shelter Risks
Part of Justice Moraes's determination was the chance of the former president's "relocation to embassies near the dwelling, considering that the investigations revealed a history of arranging to request asylum through a embassy office", a announcement said.
The legal document emphasizes that the US embassy in the capital, Brasilia, is located around 13km from the former president's residence.
Global Responses
His judicial problems have drawn the ire of fellow conservative nationalist US President President Trump, leading him to enact a 50% tariff on goods coming from Brazil.
He is being kept in a national police facility in Brazil's capital city and will undergo a detention review on the next day.
Latest Court Petitions
It was only on Friday that the ex-leader's attorneys asked the Supreme Court to permit him to fulfill his full incarceration period under domestic detention, with tracking devices.
They also asked that Bolsonaro be permitted to depart his residence for medical care, saying he needed regular treatment for respiratory ailments and other ailments.
Background on Conviction
The former president was determined responsible of heading a plot aimed at maintaining his control after he was defeated in the national vote to his political opponent, Luiz Inácio Lula da Silva.
Top judicial officials said that he knew of a plot which encompassed plans to assassinate Lula and his vice-presidential running mate, Alckmin, and to imprison and murder the presiding judge - the High Court judge who has been managing the former president's case.
The plot was prevented because it didn't receive the backing of the armed forces officials. His successor was sworn in without incident on January 1st, 2023.
But a seven days after, on 8 January, many his followers attacked and damaged public facilities in the capital, Brazil's capital.
The security forces intervened and around 1,500 people were taken into custody.
The justices found that the protesters had been incited by Bolsonaro whose strategy, they said, was for the Brazilian military to intervene, bring back stability and return him to office.
At the time, the legal team called the over 27-year sentence extremely harsh.
He was also prohibited from seeking elected position until twenty-sixty - a decade minus two years after the completion of his term.
The former president called the trial a targeted investigation" and said it was intended to stop him running in the 2026 national vote.
