Facebook suspends fake accounts linked to Brazilian President Jair Bolsonaro's sons and employees which were used to spread 'divisive messages and hyper-partisan views'

Facebook on Wednesday announced the suspension of a social media accounts linked to Brazilian President Jair Bolsonaro's employees and two of his sons.

The company said that despite efforts to disguise who was behind the activity, it had found links to the staff of two Brazilian lawmakers, as well as the president and his sons, Congressman Eduardo Bolsonaro and Senator Flavio Bolsonaro.

Nathaniel Gleicher, Facebook's head of cybersecurity policy, said the accounts were removed for using fake personas and other types of 'coordinated inauthentic behavior' which violated the company's rules.

He said there was no evidence the politicians themselves had operated the accounts. 'What we can prove is that employees of those offices are engaged on our platforms in this type of behavior,' he told Reuters ahead of the announcement on the company's blog. 

Facebook said it has also suspended three other networks on Wednesday, including one it attributed to Roger Stone, a longtime friend and adviser of U.S. President Donald Trump.

The Brazilian president's office did not immediately respond to a request for comment. 

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Facebook announced on Wednesday it suspended accounts that are linked to employees and the sons of President Jair Bolsonaro (pictured). Nathaniel Gleicher, Facebook's head of cybersecurity policy, said the accounts were removed for using fake personas and other types of 'coordinated inauthentic behavior' which violated the company's rules.

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Senator Flavio Bolsonaro had a Facebook account linked to him suspended on Wednesday

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Brazilian Federal Deputy Eduardo Bolsonaro (pictured), the son of President Jair Bolsonaro, is being accused of running a coordinated online campaign to smear his father's opponents

The allegations by Facebook add to a burgeoning political crisis in Brazil, where Bolsonaro's sons and supporters have been accused of running a coordinated online campaign to smear the president's opponents.

The accusations have spurred a congressional inquiry and a separate Supreme Court investigation into so-called 'fake news attacks' on the country's judiciary, which led to police raids in May on the homes and offices of Bolsonaro allies.

Bolsonaro, who is also under mounting criticism over his handling of the coronavirus outbreak, has said the court's investigation is unconstitutional and risks establishing censorship in Brazil by policing what people can say online.

Facebook has come under increasing pressure in recent weeks to better police how political groups use its platform. Hundreds of advertisers have joined a boycott aimed at forcing the company to block hate speech on its site, and multiple employees walked out last month over CEO Mark Zuckerberg's decision not to challenge inflammatory posts Trump.

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Brazil's President Jair Bolsonaro adjusts his mask on May 13 outside the presidential palace

Gleicher said his team had identified and suspended more than 80 accounts on Facebook and its photo-sharing site, Instagram, as part of the Brazilian network. The accounts had amassed 1.8 million followers, he said, and some dated back to 2018.

Researchers at the Atlantic Council's Digital Forensic Research Lab, who spent a week analyzing the activity identified by Facebook, said they had found five current and former political staffers who registered and operated the accounts.

Some of those accounts posed as fake Brazilians and news outlets to spread 'hyper-partisan views' supporting Bolsonaro and attacking his critics, said researcher Luiza Bandeira. Their targets included opposition lawmakers, former ministers and members of Brazil's Supreme Court.

More recently, the accounts also amplified Bolsonaro's claims that the risks of the coronavirus pandemic are exaggerated. The disease has killed more than 66,000 people in Brazil and Bolsonaro himself tested positive this week.

'We have known for a long time that when people disagree with Bolsonaro they are targeted by this machine that uses online disinformation to mock and discredit them,' said Bandeira.

'So knowing now that part of these attacks are coming from people directly related to the Bolsonaro family, that explains a lot.'

President Bolsonaro announced Tuesday he tested positive for the coronavirus. 

He went on Twitter on Wednesday to say he was doing 'very well' and lauded the use of the anti-malarial drug hydroxychloroquine - which is unproven for treating COVID-19 - for his mild symptoms. 

The global pandemic has generated in Brazil 1.6million cases and 66,741 deaths, both second only to the United States.