London Mayor Sadiq Khan issued a statement Thursday morning slamming President Donald Trump for retweeting three graphic, unverified and anti-Muslim videos from the racist leader of an extremist U.K. political party.

In the blistering statement, London’s Muslim mayor claimed the president “used Twitter to promote a vile, extremist group that exists solely to sow division and hatred in our country” — referring to Britain First, the political party whose leader first published the videos.

“Many Brits who love America and Americans will see this as a betrayal of the special relationship between our two countries,” he continued. “It beggars belief that the President of our closest ally doesn’t see that his support of this extremist group actively undermines the values of tolerance and diversity that makes Britain so great.”

Khan, who has previously called on U.K. Prime Minister Theresa May to cancel Trump’s invitation to the country, declared that “after this latest incident, it is increasingly clear that any official visit from President Trump to Britain would not be welcomed.”

The London Mayor concluded by calling on May to ask Trump to “delete these tweets and to apologise to the British people”.

Prime Minister May also had stern words for Trump in response to his retweets, calling his dissemination of fake anti-Muslim videos from an extremist group “wrong.” Trump responded, on Twitter of course, bizarrely.

The British weren’t the only allies to respond to Trump’s tweets. The Dutch Embassy replied to one of the videos — which claimed to show a “migrant” beating up a boy on crutches — by fact-checking the U.S. president:

.@realDonaldTrump Facts do matter. The perpetrator of the violent act in this video was born and raised in the Netherlands. He received and completed his sentence under Dutch law. — Netherlands Embassy ?? (@NLintheUSA) November 29, 2017

Read Mayor Khan’s full statement here:

President Trump has used Twitter to promote a vile, extremist group that exists solely to sow division and hatred in our country. It’s increasingly clear that any official visit from President Trump to Britain would not be welcomed. pic.twitter.com/oZ1Kt0JCfY — Sadiq Khan (@SadiqKhan) November 30, 2017

[image via screengrab]

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Follow Aidan McLaughlin (@aidnmclaughlin) on Twitter

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