Brazil’s far-right president has defended his politician son from accusations of corruption.

Jair Bolsonaro has attacked the state prosecutors leading an investigation into Flavio Bolsonaro's alleged money laundering and misuse of public funds.

The president made the fight against political corruption one of the core premises of his election campaign last year.

Mr Bolsonaro’s first reaction to the prosecutors’ detailed allegations concerning his son was to cast doubt on Rio courts and state government, run by his former ally and now right-wing rival governor Wilson Witzel.

“They’ve been investigating my son since last year and they still haven’t found anything,” Mr Bolsonaro said as he left his residence in Brasilia.

Jair Bolsonaro: Brazil's far-right leader inauguration Show all 20 1 /20 Jair Bolsonaro: Brazil's far-right leader inauguration Jair Bolsonaro: Brazil's far-right leader inauguration Brazil's new President Jair Bolsonaro waves as he drives past before his swear-in ceremony Reuters Jair Bolsonaro: Brazil's far-right leader inauguration Supporters wait in front of the Planalto Palace, where he will take office EPA Jair Bolsonaro: Brazil's far-right leader inauguration Jair Bolsonaro gestures at the Congress before he is sworn AFP/Getty Jair Bolsonaro: Brazil's far-right leader inauguration Supporters take pictures as Brazil's new President Jair Bolsonaro drives past Reuters Jair Bolsonaro: Brazil's far-right leader inauguration Flanked by first lady Michelle Bolsonaro, Brazil's President Jair Bolsonaro waves to the crowd, as he rides in an open car after his swearing-in ceremony AP Jair Bolsonaro: Brazil's far-right leader inauguration Jair Bolsonaro reacts as he drives past Reuters Jair Bolsonaro: Brazil's far-right leader inauguration Brazil's new President Jair Bolsonaro reacts as he drives past before his swear-in ceremony, in Brasilia, Brazil January 1, 2019. REUTERS/Ricardo Moraes RICARDO MORAES Reuters Jair Bolsonaro: Brazil's far-right leader inauguration The National Congress before Brazil's President-elect Jair Bolsonaro is sworn in AFP/Getty Jair Bolsonaro: Brazil's far-right leader inauguration Jair Bolsonaro gestures at the Congress AFP/Getty Jair Bolsonaro: Brazil's far-right leader inauguration Brazil's new President Jair Bolsonaro waves as he drives past before his swear-in ceremony, in Brasilia, Brazil January 1, 2019. REUTERS/Ricardo Moraes RICARDO MORAES Reuters Jair Bolsonaro: Brazil's far-right leader inauguration Supporters of Brazil's President Elect Jair Bolsonaro are cooled down with a water hose by firefighters, prior Bolsonaro's inauguration, in Brasilia, Brazil, Tuesday Jan. 1, 2019. (AP Photo/Silvia Izquierdo) Silvia Izquierdo AP Jair Bolsonaro: Brazil's far-right leader inauguration The presidential convoy, led by Brazil's President-elect Jair Bolsonaro (L) and his wife Michelle Bolsonaro in a Rolls Royce, heads to the National Congress for his swearing-in ceremony, in Brasilia on January 1, 2019. - Bolsonaro takes office with promises to radically change the path taken by Latin America's biggest country by trashing decades of centre-left policies. (Photo by Carl DE SOUZA / AFP)CARL DE SOUZA/AFP/Getty Images CARL DE SOUZA AFP/Getty Jair Bolsonaro: Brazil's far-right leader inauguration epa07257163 Sympathizers of Brazilian President-elect, Jair Bolsonaro, walk past a giant figure of the future president before the beginning of the inauguration ceremony, in Brasilia, Brazil, 01 January 2019. A far-right president leads the biggest Latin America democracy for first time since the end of military rule (1964-1985). Bolsonaro defeated candidate Fernando Haddad in the runoff, held in October 2018, receiving 55 percent of the vote. EPA/Fernando Bizerra Jr Fernando Bizerra Jr EPA Jair Bolsonaro: Brazil's far-right leader inauguration Brazil's President-elect Jair Bolsonaro (L) gestures next to his wife Michelle Bolsonaro as the presidential convoy heads to the National Congress for his swearing-in ceremony, in Brasilia on January 1, 2019. - Bolsonaro takes office with promises to radically change the path taken by Latin America's biggest country by trashing decades of centre-left policies. (Photo by Carl DE SOUZA / AFP)CARL DE SOUZA/AFP/Getty Images CARL DE SOUZA AFP/Getty Jair Bolsonaro: Brazil's far-right leader inauguration Firefighters spray water at supporters of Brazilian President-elect Jair Bolsonaro to cool them down, while they gather to wait for his inauguration ceremony at "Tres Poderes" square in front of the Planalto Palace in Brasilia, on January 01, 2019. - Brazil entered a new chapter in its history on Tuesday, embracing a far-right president, Jair Bolsonaro, whose determination to break with decades of centrist rule has raised both hopes and fears. (Photo by EVARISTO SA / AFP)EVARISTO SA/AFP/Getty Images EVARISTO SA AFP/Getty Jair Bolsonaro: Brazil's far-right leader inauguration Supporters take pictures as Brazil's new President Jair Bolsonaro drives past before his swear-in ceremony, in Brasilia, Brazil January 1, 2019. REUTERS/Ricardo Moraes RICARDO MORAES Reuters Jair Bolsonaro: Brazil's far-right leader inauguration Brazil's new President Jair Bolsonaro and his wife, Michelle Bolsonaro, arrive at Brazil's National Congress, in Brasilia, Brazil January 1, 2019. REUTERS/Pilar Olivares PILAR OLIVARES Reuters Jair Bolsonaro: Brazil's far-right leader inauguration Supporters of Brazilian President-elect Jair Bolsonaro, gather at the "Tres Poderes" square in front of the Planalto Palace in Brasilia, before his inauguration ceremony on January 01, 2019. - Brazil entered a new chapter in its history on Tuesday, embracing a far-right president, Jair Bolsonaro, whose determination to break with decades of centrist rule has raised both hopes and fears. (Photo by EVARISTO SA / AFP)EVARISTO SA/AFP/Getty Images EVARISTO SA AFP/Getty Jair Bolsonaro: Brazil's far-right leader inauguration Supporters of Brazilian President-elect Jair Bolsonaro, gather to wait for his inauguration ceremony at "Tres Poderes" square in front of the Planalto Palace in Brasilia, on January 01, 2019. - Brazil entered a new chapter in its history on Tuesday, embracing a far-right president, Jair Bolsonaro, whose determination to break with decades of centrist rule has raised both hopes and fears. (Photo by EVARISTO SA / AFP)EVARISTO SA/AFP/Getty Images EVARISTO SA AFP/Getty Jair Bolsonaro: Brazil's far-right leader inauguration Jair Bolsonaro addresses Congress, during his swearing-in ceremony as Brazil's new president, in Brasilia on January 1, 2019. - Bolsonaro takes office with promises to radically change the path taken by Latin America's biggest country by trashing decades of centre-left policies. 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“Have you ever seen the Rio state prosecutors investigate any person, any corruption, any mistake, any public official from the state? And Rio is Brazil’s most corrupt state.”

His son, a Rio De Janeiro Senator, claims he is innocent of the charges, calling the probe a form of political vengeance from bad actors who want to take down his father’s presidency.

He also asked the Supreme Court to halt the investigation this week.

Rio prosecutors have accused Flavio Bolsonaro, who was a Rio state lawmaker until he became a federal senator in 2019, of running a phantom employee scheme while in office.

They say he diverted part of their salaries to buy two apartments in Rio’s Copacabana neighbourhood and a stake in a chocolate store franchise.

Prosecutors alleged the scheme was run by his former driver, Fabra­cio Queiroz, according to documents seen by Reuters.

On Wednesday, Rio authorities carried out 24 raids at properties of the former staff of Flavio Bolsonaro and relatives of the president’s ex-wife.

The raids took place after the courts unshelved an investigation that had been frozen by Brazil’s Supreme Court earlier this year.

The far-right president was sworn in on 1 January on a pledge to tackle corruption and crime in Brazil.