Jair Bolsonaro has been taken into custody after authorities found he posed a definite escape threat while under house arrest.
The one-time leader was found guilty of plotting a armed takeover in September and sentenced more than a 27-year term in jail, but he continued under confinement pending court reviews.
High Court Judge the presiding justice said the decision to arrest the 70-year-old politician was a precautionary step after recent developments came to light.
This involved attempting to break his electronic bracelet and a summons to a supporters' gathering that could "allow for a possible escape.
In a filing authorising the arrest, the magistrate said information from the centre monitoring Bolsonaro's house arrest suggested the one-time head of state's "intention to break the electronic ankle bracelet to secure accomplishment in his escape.
This, it said, would be made easier by the confusion caused by the protest called by his offspring.
His child, Flávio Bolsonaro, who serves as a congressional representative, called for a meeting of his backers near his father's house to take place on Saturday evening.
His son wrote on digital networks on Friday: Do you plan to struggle for your homeland, or watch it all from your mobile device there on your settee? I invite you to battle with us."
He said the gathering would be so supporters could seek divine intervention for his health and for the return of democracy in our country."
Part of Justice Moraes's decision was the potential of his transfer to foreign missions near the dwelling, considering that the probes revealed a record of planning to seek refuge through a diplomatic representation", a announcement said.
The court filing highlights that the US embassy in the capital, Brasilia, is positioned around approximately 13 kilometers from the former president's residence.
Bolsonaro's legal woes have provoked anger from fellow conservative nationalist US President Trump, prompting him to enact a fifty percent tax on imports of Brazilian goods.
The former president is being kept in a Federal Police station in the capital and will have a detention review on Sunday.
It was only on Friday that the his legal team asked the High Court to permit him to serve his whole jail sentence under domestic detention, with electronic monitoring.
They also asked that Bolsonaro be permitted to exit his dwelling for medical treatment, saying he demanded ongoing care for respiratory ailments and other illnesses.
He was found guilty of orchestrating a conspiracy aimed at keeping him in power after he was defeated in the national vote to his political opponent, Luiz Inácio Lula da Silva.
High Court judges said that he knew of a scheme which involved plans to kill his opponent and his VP candidate, Alckmin, and to imprison and murder the presiding judge - the Supreme Court justice who has been managing Bolsonaro's trial.
The scheme was thwarted because it failed to get the backing of the armed forces officials. Lula was took office without incident on 1 January 2023.
But a following week, on January 8th, many his backers invaded and destroyed government buildings in the national capital, the capital city.
The police took action and around approximately 1,500 persons were detained.
The judges found that the rioters had been provoked by Bolsonaro whose plan, they said, was for the country's army to take action, reestablish control and return him to office.
At the moment, his attorneys called the decades-long sentence extremely harsh.
He was also barred from campaigning for office until twenty-sixty - a decade minus two years after the completion of his term.
The former president called the court case a "witch hunt and said it was intended to stop him participating in the next presidential race.
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