DIANE ABBOTT once branded Britain “one of the most fundamentally racist nations on earth”, The Sun can reveal.

The wannabe Home Secretary claimed Brits “invented racism” and called Parliament “the heart of darkness, in the belly of the beast”.

3 Labour MP Diane Abbott once said Brits 'invented racism' Credit: News Group Newspapers Ltd

It comes after the top Corbyn ally has been forced to distance herself from a slew of anti-British remarks from her long career.

According to contemporary reports the incendiary remarks were made to a US conference for radical left wingers in 1988 — but last night sparked fury.

Top Tory James Cleverly hit out: “Many people feel that Corbyn’s core team, including Diane Abbott, don’t really like Britain and British people. These quotes prove it.”

3 Abbott has come under fire for not being qualified to be Home Secretary Credit: PA:Press Association

The candidate in Braintree, Essex, added: “My mother came here from West Africa in the 1960s, was welcomed, and made her life here.

“I am proud of our country and Theresa May is popular on the doorsteps because people know that she’s proud of the country too.”

He went on: “How can Abbott, Corbyn and McDonnell put themselves forward to government people they clearly despise?”

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Our revelation comes just days after it emerged Abbott once branded the Home Office a “fundamentally racist organisation”.

Asked what qualified her to take over the department in 10 days’ time, the wannabe Home Secretary pointed to the fact she had worked there for three years as a graduate trainee.

But previously she said of her time in Whitehall: “I thought it could be transformed from within. I was wrong. I was just one token black person in a fundamentally racist institution.”

3 Abbott once branded the Home Office a 'fundamentally racist organisation' Credit: PA:Press Association

Asked why voters should back Labour, Mrs Abbott told the BBC’s Andrew Marr: “I think there is something to be said for a Home Secretary who has actually worked in the Home Office, I worked there for three years”.

But she was left red-faced after her previous comments slamming the department emerged.