Bolsonaro has been arrested after authorities concluded he posed a definite escape threat while under domestic detention.
The ex-president was sentenced of orchestrating a armed takeover in September and given more than a 27-year term in prison, but he remained under confinement pending appeals.
Brazilian Supreme Court Justice the presiding justice said the move to detain the 70-year-old politician was a preventative measure after fresh information emerged.
This included trying to remove his ankle monitor and a invitation to a supporters' gathering that could enable a chance to flee".
Legal Document Reveals Flight Fears
In a document approving the custody, Justice Moraes said intelligence from the facility tracking the former president's confinement suggested the one-time head of state's aim to disable the electronic ankle bracelet to ensure success in his escape.
This, it said, would be made easier by the chaos caused by the demonstration called by his offspring.
His child, Flávio Bolsonaro, who works as a congressional representative, called for a gathering of his followers near the former president's residence to take place on Saturday evening.
The senator wrote on online platforms on Friday: "Are you going to fight for your country, or watch it all from your smartphone there on your settee? I invite you to battle with us."
He said the gathering would be so backers could seek divine intervention for his physical condition and for the restoration of democratic rule in our land."
Foreign Shelter Risks
Part of the judge's decision was the potential of his transfer to foreign missions near the residence, considering that the inquiries revealed a record of arranging to ask for protection through a consular facility", a announcement said.
The judicial paperwork highlights that the American diplomatic mission in the national capital, Brasilia, is situated around 13km from the former president's residence.
International Reactions
Bolsonaro's legal woes have drawn the ire of fellow conservative nationalist American leader Donald Trump, prompting him to impose a half-rate duty on imports of Brazilian goods.
He is being detained in a national police facility in the capital and will have a imprisonment assessment on the following day.
Recent Legal Requests
It was only on Friday that the his legal team asked the High Court to authorize him to complete his entire prison term under house arrest, with tracking devices.
They also requested that he be allowed to leave his home for medical treatment, saying he required frequent medical attention for respiratory ailments and other health problems.
Details of Guilty Verdict
Bolsonaro was found guilty of heading a scheme aimed at retaining his authority after he lost the presidential race to his left-wing rival, Lula.
Top judicial officials said that he had knowledge of a plot which included plans to assassinate the current president and his running partner, Alckmin, and to arrest and execute Justice Moraes - the High Court judge who has been presiding over the former president's case.
The plot was thwarted because it couldn't obtain the endorsement of the armed forces officials. The current president was took office without incident on 1 January 2023.
But a seven days after, on January 8th, numerous his followers attacked and damaged official structures in the capital, Brasília.
The law enforcement intervened and around approximately 1,500 persons were taken into custody.
The magistrates found that the demonstrators had been incited by Bolsonaro whose plan, they said, was for the national armed forces to step in, restore order and bring him back to power.
At the period, his attorneys called the decades-long sentence "absurdly excessive.
He was also barred from running for public office until twenty-sixty - eight years later after the completion of his term.
The one-time head of state called the trial a "witch hunt and said it was aimed at blocking him participating in the next presidential race.
