Sen. Bernie Sanders Bernie SandersThe Hill's Campaign Report: Trump faces backlash after not committing to peaceful transition of power Bernie Sanders: 'This is an election between Donald Trump and democracy' The Hill's 12:30 Report: Trump stokes fears over November election outcome MORE (I-Vt.) heaped praise on Labour Party leader Jeremy Corbyn this week, saying he was "impressed" by the U.K. candidate's willingness to talk about class issues.

“I am also impressed by his willingness to talk about class issues,” the former Democratic presidential candidate said Thursday during a U.K. speaking tour promoting his book.

“Too many people run away from the grotesque levels of income and wealth inequality that exist in the United States, the UK and all over the world," Sanders said.

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"We will never make the kind of changes we need unless we take on the levels of inequality that exist."

Sanders pointed out similarities between anti-establishment movements that he and Corbyn have pushed.

“What has impressed me – and there is a real similarity between what he has done and what I did – is he has taken on the establishment of the Labour Party, he has gone to the grassroots and he has tried to transform that party … and that is exactly what I am trying to do,” Sanders said.

The British politician tweeted a pro-Labour ad Friday titled “We Demand,” calling for economic equality.

We have had enough. We demand a fairer society, #ForTheMany, not the few. Please watch and RT this powerful film by Ken Loach. #WeDemand pic.twitter.com/QpzfUK2HNB — Jeremy Corbyn (@jeremycorbyn) June 2, 2017

Corbyn’s Labour Party will face off with Prime Minister Theresa May’s Conservative Party on June 8, after May called for a snap election in April in the wake of Brexit negotiations.

Sander’s praise for Corbyn comes after a recent YouGov poll shows Labour trailing the Conservatives by just 3 points.

“I don’t think Jeremy Corbyn needs my advice,” Sanders continued. “I think he is doing quite well. Nor do the people of the U.K. need my advice on who to vote for. I think they understand. But I have been very impressed by the campaign that he has been running and I wish him the very best.”