The King and Queen will watch a flypast over Rome by the Italian air force’s aerobatic team, Frecce Tricolori, and the RAF’s Red Arrows.

The duke is challenging a High Court ruling dismissing his legal claim over the level of taxpayer-funded security he receives while visiting the UK.

Harry’s appeal against the ruling is scheduled to be heard on April 8 and 9 at the Royal Courts of Justice in London.

China threatened to “resolutely take countermeasures to safeguard its own rights and interests”, in response to US President Donald Trump’s threat of an additional 50% tariff on Chinese imports.

Washington DC mayor Muriel Bowser said on Monday the Trump administration had reached out to the city about holding a parade on June 14.