Bolsonaro has been detained after authorities determined he posed a concrete flight risk while under domestic detention.
The former head of state was convicted of orchestrating a armed takeover in the ninth month and handed more than over two decades in prison, but he was staying under house arrest pending legal challenges.
Brazilian Supreme Court Justice the presiding justice said the decision to arrest the 70-year-old politician was a precautionary step after fresh information were revealed.
This involved attempting to break his ankle monitor and a summons to a supporters' gathering that could facilitate a chance to flee".
Judicial Records Show Escape Risks
In a paperwork permitting the detention, the judge said information from the unit overseeing his home detention suggested the former leader's plan to remove the surveillance device to guarantee victory in his flight.
This, it said, would be assisted by the chaos caused by the protest called by his son.
His son, his son Flávio, who works as a legislator, called for a gathering of his supporters near Bolsonaro's home to take place on the weekend.
The senator wrote on digital networks on Friday: Do you plan to struggle for your nation, or observe everything from your mobile device there on your settee? I call on you to fight with us."
He said the gathering would be so followers could "pray for his physical condition and for the reestablishment of democratic governance in our land."
Foreign Shelter Risks
Part of the magistrate's determination was the potential of his move to embassies near the residence, considering that the inquiries revealed a record of arranging to ask for protection through a consular facility", a statement said.
The court filing underscores that the American diplomatic mission in the federal district, the capital city, is located around 13km from Bolsonaro's home.
Worldwide Consequences
Bolsonaro's legal woes have drawn the ire of fellow populist conservative US President President Trump, causing him to enact a fifty percent tax on imports of Brazilian goods.
He is being kept in a federal law enforcement building in the capital and will have a imprisonment assessment on the following day.
Recent Judicial Appeals
It was only on last Friday that the ex-leader's attorneys asked the Supreme Court to allow him to fulfill his full incarceration period under house arrest, with digital surveillance.
They also petitioned that he be allowed to leave his home for healthcare, saying he needed regular treatment for respiratory ailments and other illnesses.
Context of Sentencing
He was determined responsible of heading a conspiracy aimed at maintaining his control after he lost the presidential race to his left-wing rival, Lula.
Supreme Court justices said that he knew of a scheme which involved plans to kill the current president and his VP candidate, his vice-presidential candidate, and to arrest and execute Alexandre de Moraes - the Supreme Court justice who has been managing his judicial proceedings.
The plot was stopped because it didn't receive the endorsement of the military leaders. His successor was sworn in without issue on 1 January 2023.
But a week later, on January 8th, thousands of his backers stormed and vandalised official structures in the national capital, Brazil's capital.
The law enforcement took action and around fifteen hundred individuals were taken into custody.
The justices found that the protesters had been incited by the former president whose plan, they said, was for the Brazilian military to intervene, restore order and reinstate his authority.
At the period, his attorneys called the 27 years and three months sentence extremely harsh.
He was also prohibited from seeking elected position until 2060 - eight years after the conclusion of his imprisonment.
The former president called the legal proceedings a "witch hunt and said it was designed to prevent him participating in the next presidential race.