London (CNN) Donald Trump's habit of testing the US relationship with Britain took a new turn Monday when he attacked the UK's National Health Service, claiming it is "going broke and not working."

The US President hit out on Twitter minutes after a segment aired on Fox News that highlighted winter strains on the UK health care system. Trump accused Democrats of pushing a similar universal health care system for the US.

The Democrats are pushing for Universal HealthCare while thousands of people are marching in the UK because their U system is going broke and not working. Dems want to greatly raise taxes for really bad and non-personal medical care. No thanks! — Donald J. Trump (@realDonaldTrump) February 5, 2018

"The Democrats are pushing for Universal HealthCare while thousands of people are marching in the UK because their U system is going broke and not working. Dems want to greatly raise taxes for really bad and non-personal medical care. No thanks," Trump wrote.

Trump drew swift condemnation from Britain's Health Secretary Jeremy Hunt, who has been under fire for the government's handling of a winter health crisis that prompted a protest march in London at the weekend.

Tweeting back at the President, Hunt said he was "proud" of Britain's universal coverage, which allows patients free health care at the point of access.

I may disagree with claims made on that march but not ONE of them wants to live in a system where 28m people have no cover. NHS may have challenges but I'm proud to be from the country that invented universal coverage - where all get care no matter the size of their bank balance https://t.co/YJsKBAHsw7 — Jeremy Hunt (@Jeremy_Hunt) February 5, 2018

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