Jair Bolsonaro has been arrested after authorities concluded he posed a definite escape threat while under domestic detention.
The ex-president was convicted of orchestrating a government overthrow in September and given more than 27 years in jail, but he was staying under confinement pending appeals.
Top Judicial Official the presiding justice said the decision to arrest the septuagenarian politician was a preventative measure after "new facts" were revealed.
This involved attempting to break his electronic bracelet and a call for a supporters' gathering that could "allow for a possible escape.
In a filing authorising the arrest, the magistrate said information from the facility tracking his home detention suggested the former leader's aim to disable the electronic ankle bracelet to ensure success in his escape.
This, it said, would be assisted by the disorder caused by the demonstration called by his offspring.
His child, Flávio, who works as a congressional representative, called for a meeting of his followers near his father's house to take place on the weekend.
Flávio Bolsonaro wrote on online platforms on last Friday: Do you plan to struggle for your country, or see it all from your phone there on your sofa? I urge you to battle with us."
He said the demonstration would be so supporters could "pray for his health and for the return of democracy in our land."
Part of the judge's ruling was the potential of the former president's transfer to foreign missions near the dwelling, considering that the probes revealed a history of organizing to ask for protection through a consular facility", a declaration said.
The legal document underscores that the United States embassy in the capital, the capital city, is located around 13km from his dwelling.
Bolsonaro's legal woes have generated frustration from fellow conservative nationalist US President Donald Trump, causing him to impose a fifty percent tax on goods coming from Brazil.
Bolsonaro is being kept in a Federal Police station in Brasilia and will experience a imprisonment assessment on the following day.
It was only on the previous day that the his legal team asked the Top Court to permit him to complete his entire prison term under home confinement, with digital surveillance.
They also asked that he be permitted to depart his residence for medical care, saying he needed regular treatment for respiratory ailments and other health problems.
He was found guilty of leading a scheme aimed at retaining his authority after he was defeated in the national vote to his left-wing rival, Lula.
Top judicial officials said that he was aware of a plan which included plans to assassinate his opponent and his VP candidate, Geraldo Alckmin, and to arrest and execute Justice Moraes - the High Court judge who has been presiding over the former president's case.
The conspiracy was thwarted because it couldn't obtain the support of the armed forces officials. The current president was inaugurated without issue on January 1st, 2023.
But a following week, on January 8th, numerous Bolsonaro supporters stormed and vandalised government buildings in the capital, Brasília.
The police intervened and around fifteen hundred individuals were detained.
The magistrates found that the protesters had been encouraged by him whose plan, they said, was for the country's army to take action, reestablish control and reinstate his authority.
At the period, the legal team called the 27 years and three months sentence unreasonably severe".
He was also barred from seeking elected position until the year 2060 - eight years after the end of his sentence.
The one-time head of state called the legal proceedings a targeted investigation" and said it was designed to prevent him running in the next presidential race.
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