Former Donald Trump adviser Steve Bannon sparked furious protests at the Oxford Union tonight as he compared the KKK to Black Lives Matter.
While Bannon spoke inside the hallowed union halls, they chanted: 'The police protect the Nazis!', 'Say it loud, say it clear, Bannon is not welcome here!'.
It became violent as 300 outraged protestors gathered in the narrow streets surrounding the historic union building.
They surrounded the police cordon and body-slammed into officers protecting the entrances.
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The former White House Chief Strategist has faced accusations of stirring up racial tensions.
He is seen by some as the Machiavellian mastermind behind President Trump's highly controversial and successful Presidential campaigning.
Bannon told the union audience: 'Nazis and the KKK have no place in our society, they should have never been allowed to march in Charlottesville.
'The same can be said about Antifa and Black Lives Matter - they shouldn't be allowed to do what they are doing.'
He said of former NBC host: 'I said I wanna unchain the dogs on Megyn Kelly and I'm proud of it - politics is war by other methods.'
He also defended the travel ban enacted by the Trump administration, saying: 'I did the original travel ban, it made our citizens safer. Zero-tolerance at the border is a humanitarian policy.'
Bannon is touring Europe as he promotes a new Brussels-based pressure group called The Movement.
Michael, 20, a history student, said: 'I really dislike this pattern in the union of people who are chosen to give a platform - because they had Alice Weidel from the AfD (Alternative for Germany) and Tommy Robinson.
'It gives a platform and legitimises the worst kind of political force.
'I particularly object to how the YouTube channel broadcast this to a far bigger audience than at the Oxford Union.'
The Oxford Union is a debating society which dates back to 1823 with a long tradition of promoting freedom of speech, but some recent guests have infuriated students.
Maritz, aged 26 years, an Austrian student studying politics in Oxford said: 'I'm here to protest against the Student Union events being used for right-wing personalities. I am Austrian and we already have a fascist government so it's important to fight right-wing politics while we still can.'
Nick Grant, 65, a member of the Socialist Worker Party said: 'We are socialists who oppose Steve Bannon quite fundamentally. He is someone who is trying to organize internationally for right-wing political forces which oppose migrants, women, sexual minorities and organised workers.
'We believe he is a neo-Facist who historically big business organisations turn to at a time of economic crisis.'
There were no arrests by police, despite the protest turning ugly, with shouts of, 'Who killed Mark Duggan? The police killed Mark Duggan!'
A spokesman for Thames Valley Police said: 'Officers are on the scene of a protest in Oxford.
'We were aware of planned protest activity around the Oxford Union in St Michael's Street. Officers are currently in the area working to prevent any incidents of crime and disorder.'
Bannon was delayed in leaving the Oxford Union afterwards by more than an hour as police tried to quell the tempers of the protestors so he could pass safely.
Union officers had been unaware of Bannon's invitation after their president, Stephen Horvath, kept it quiet 'for security reasons.'
Protestors were heard chanting 'Horvath out' as Police attempted to contain them.
One student member told that it was 'impossible to get into the back entrance they were sending people to' as the event had become a 'picket line' with a people being 'thrown to the ground.'
The Union President avoided having to disinvite Donald Trump's former strategist after narrowly winning a debate in which Union Secretary, Nick Brown, accused Horvath of 'hosting a white nationalist' and attempting to 'prevent protest' by announcing the event with only two days' notice.
Six committee members voted to rescind Bannon's invitation but seven chose to follow their President's argument that allowing the event to go ahead would encourage students to properly justify their own views.
Mr Horvath argued that 'you can bask in the glory of your own self-righteousness' when speakers you agree with address the Union.
Oxford Stand Up to Racism published an open letter criticizing the Oxford Union, writing that, 'The Oxford Union is once again giving a platform to a far right speaker, and by doing so legitmizing racism.
Bannon is attempting to build an Islamophobic international of far-right groups and is looking to fascist Tommy Robinson here in Britain as a key figure for his movement. Bannon was the white supremacists' link to Donald Trump's White House.'
He was greeted in similar style in Edinburgh just days ago as he attended an international media event hosted by the BBC.
Scotland's First Minister, Nicola Sturgeon, withdrew from the event when she learned that Bannon would be one of the main speakers.
'These are not racist views,' he said in Scotland's capital. 'In fact populist nationalism, which I've been working on for nine or 10 years, is the exact opposite.'
Bannon claimed his brand of nationalism was 'catching fire around the world.'