Donald Trump has revealed he plans to discuss “everything” with the King during the upcoming royal state visit, as tensions between the US and UK continue to simmer behind the scenes.

Speaking to Reuters ahead of the highly anticipated trip, the US president confirmed that a wide range of issues will be on the table when he meets King Charles III,  including the ongoing Iran conflict, which has placed strain on transatlantic relations.

“I’m going to talk about everything,” Mr Trump said, signalling what could be a frank and wide-ranging exchange between the two leaders.

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The King and Queen Camilla are set to arrive in the United States for a four-day state visit marking the 250th anniversary of American independence from Britain.

During their visit, the royal couple will attend a White House banquet as guests of honour, with the monarch also invited to address a joint meeting of the US Congress. Their itinerary will include stops in Virginia and New York, underscoring the significance of the trip in strengthening ties between the two nations.

However, the visit comes at a time of heightened global uncertainty. Mr Trump indicated he intends to raise the Iran war, a flashpoint that has exposed divisions between allies, as well as the issue of Nato, which he has repeatedly criticised throughout the conflict.

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Tensions have been further inflamed by remarks from US defence secretary Pete Hegseth, who dismissed UK and French efforts to secure the Strait of Hormuz as “silly,” urging European allies to take more direct action. The strategically vital waterway remains a major concern after retaliatory measures by Iran effectively halted shipping, triggering a global energy crisis and sending prices soaring.

While an uneasy ceasefire is in place, the situation remains volatile, with both sides maintaining blockades and diplomatic efforts continuing behind the scenes.

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Beyond security concerns, economic tensions are also expected to feature heavily in discussions. Mr Trump has signalled he will raise the UK’s digital services tax, a 2% levy on major US tech firms that has become a point of contention between the two countries. He has previously threatened to impose a “big tariff” on Britain unless it drops the tax, which raised more than £800 million in the 2024–25 financial year.

Adding to the strain are reports that the US could review its stance on Britain’s claim to the Falkland Islands, a move seen as a potential pressure tactic linked to disagreements over military action in Iran.

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Despite the tensions, Mr Trump struck a more conciliatory tone when speaking about the King personally, describing him as a “great man” and suggesting the visit could “absolutely” help mend relations between the two countries. This stands in contrast to his criticism of UK Prime Minister Sir Keir Starmer, whom he has derided as weak and indecisive.

Behind the scenes, diplomatic efforts to ease the Iran crisis are ongoing, with US envoys dispatched to Pakistan in a bid to open channels of communication. While no direct talks between the US and Iran are currently scheduled, officials have expressed cautious optimism that progress could be made.