President Trump Donald John TrumpHR McMaster says president's policy to withdraw troops from Afghanistan is 'unwise' Cast of 'Parks and Rec' reunite for virtual town hall to address Wisconsin voters Biden says Trump should step down over coronavirus response MORE spoke with British Prime Minister Theresa May on Tuesday, one day after he criticized the United Kingdom's (U.K.) health-care system.

The White House did not say whether the two discussed health care or Trump's remarks, but said they discussed the need for “all responsible nations” to increase pressure on North Korea “until it turns to the path of denuclearization."

They also spoke about a data-sharing agreement between the U.S. and the U.K. that would aid law enforcement efforts in both countries, the White House said.

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Trump cited a march over the weekend in London as evidence that the British health system is “going broke and not working.” He used the protest, which was in opposition to funding cuts, to bolster an argument against a proposal from Democrats for universal health care.

May defended the British National Health System (NHS), with a spokesman telling The Washington Post that she is "proud of our NHS, that is free at the point of delivery."

Other British officials, including Labour Party leader Jeremy Corbyn and the country’s health secretary, also responded to Trump's remarks.

“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," Health Secretary Jeremy Hunt tweeted.

Trump has previously clashed with U.K. officials. May and other British politicians condemned Trump last year when he shared video from a far-right British politician that purported to show violence committed by Muslims.