The Ukip leader claimed Britain’s security services were already having to deal with a “homegrown terror” problem and could do without having to handle would-be attackers travelling from foreign countries.
Mr Farage was reacting after UK-born terrorist Khalid Masood killed four people and left scores more seriously injured after launching his sickening attack in Westminster on Wednesday.
Appearing on Fox News, the Brexiteer was asked whether “British people are beginning to question Muslim immigration” following a series of attacks across Europe, which vile terror network ISIS has claimed responsibility for.
Mr Farage replied: “You are right. There was a big piece of research carried out by Chatham House – an independent institute in London – and they went to 10 of the biggest European countries, and seven out of 10, by clear majorities, wanted to end all Muslim immigration immediately.
Nigel Farage said Britain needs to review immigration policy after the London terror attack
We already have a problem with homegrown terrorism, why on earth would you add to it
“We already have a problem with homegrown terrorism, why on earth would you add to it by bringing people in from Afghanistan, Syria or Pakistan when we don’t have the ability to vet them.
“Public attitudes are hardening, the people themselves can deal with these problems but I sense the gulf between politicians, liberal media and genuine public opinion on this question has probably never been wider.”
He had previously been criticised for another interview he gave after the atrocity, where he rubbished suggestions Britain was united in the aftermath of the attack.
“The idea that this whole country is united, which is what we are hearing from our leaders, I’m not sure is true,” he said.
“I think the British people want some answers from our leaders as to what they are now going to do.
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“The problem with multiculturalism is that it leads to divided communities, it’s quite different to multi-racialism.
“That’s fine, that can work very happily and extremely well. But we’ve finished up with a very divided communities.
“I’m sorry to say that we have now a fifth column living inside these European countries.”
Liberal Democrat MP Alistair Carmichael was among a group of politicians to launch their own attack on Mr Farage’s comments, branding his views “dangerous”.
London mourns terror attack at vigil Fri, March 24, 2017
The world grieves after an attacker killed three people and injured about 40 near parliament in London.
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Floral tributes are left after the vigil in Trafalgar Square, London to remember those who lost their lives in the Westminster terrorist attack
Mr Carmichael said: “Ukip, in their nasty usual way, are grubbing around in the gutter for any vote they can find.
“Vile, dangerous ideologies transcend nationalities and borders, and anyone who uses yesterday’s horrors, like Farage, to justify their own xenophobic, anti-foreigner views should be ashamed of themselves.”
Tory backbencher and MP for Dover, Charlie Elphicke wrote: “Today of all days to write something so disgusting. Yes, you are sick.”
When asked about Mr Farage’s comments, a spokesman for the Prime Minister said: “I’m not responding to that today.”