Bolsonaro has been arrested after authorities found he posed a concrete flight risk while under house arrest.
The ex-president was sentenced of planning a military coup in last fall and handed more than over two decades in jail, but he continued under confinement pending legal challenges.
Brazilian Supreme Court Justice the presiding justice said the action to imprison the elderly politician was a preventative measure after recent developments emerged.
This encompassed trying to remove his electronic bracelet and a summons to a demonstration that could "allow for a chance to flee".
Legal Document Reveals Escape Concerns
In a filing authorising the custody, the judge said information from the facility tracking the former president's confinement suggested the former leader's plan to remove the surveillance device to ensure success in his getaway".
This, it said, would be made easier by the chaos caused by the gathering called by his offspring.
His son, his son Flávio, who holds office as a senator, called for a assembly of his supporters near his father's house to take place on Saturday evening.
The senator wrote on digital networks on the previous day: Will you battle for your homeland, or watch it all from your phone there on your couch? I invite you to struggle with us."
He said the gathering would be so backers could seek divine intervention for his well-being and for the reestablishment of democratic governance in our land."
Diplomatic Refuge Fears
Part of the judge's ruling was the potential of Bolsonaro's transfer to embassies near the home, considering that the inquiries revealed a record of arranging to seek refuge through a diplomatic representation", a statement said.
The legal document highlights that the United States embassy in the national capital, Brasilia, is located around 8 miles from the former president's residence.
International Reactions
His judicial problems have drawn the ire of fellow right-wing populist United States President Trump, causing him to enact a 50% tariff on imports of Brazilian goods.
The former president is being detained in a federal law enforcement building in Brazil's capital city and will experience a imprisonment assessment on the following day.
Recent Legal Requests
It was only on Friday that the his legal team asked the Top Court to authorize him to fulfill his full incarceration period under home confinement, with digital surveillance.
They also petitioned that he be authorized to depart his residence for medical treatment, saying he needed ongoing care for respiratory ailments and other ailments.
Details of Guilty Verdict
He was determined responsible of heading a plot aimed at keeping him in power after he failed to win the 2022 election to his ideological adversary, Lula.
Top judicial officials said that he was aware of a plan which encompassed plans to murder his opponent and his vice-presidential running mate, his vice-presidential candidate, and to arrest and execute Justice Moraes - the top judicial official who has been overseeing the former president's case.
The scheme was thwarted because it failed to get the backing of the armed forces officials. Lula was took office without issue on the first day of 2023.
But a seven days after, on the eighth of January, numerous his backers stormed and vandalised official structures in the federal district, the capital city.
The police intervened and around 1,500 people were detained.
The judges found that the rioters had been incited by the former president whose plan, they said, was for the national armed forces to intervene, bring back stability and return him to office.
At the moment, the legal team called the decades-long sentence "absurdly excessive.
He was also prohibited from running for public office until 2060 - eight years after the conclusion of his imprisonment.
The ex-leader called the trial a "witch hunt and said it was designed to prevent him competing in the next presidential race.
