The King and Queen's four-day state visit to the United States has come to an end.

Heralded as a chance to thaw the frosty relations between Keir Starmer and Donald Trump after disputes over the Iran war and the Chagos Islands, the first visit by a British monarch since 2007 saw King Charles give a speech to Congress, attend a ceremonial banquets, and even give the president a bell from World War Two submarine, 'HMS Trump'.

Trump, however, is notoriously fickle in his affections.

BBC's North America editor Sarah Smith analyses what the King's state visit achieved.

Video by Alex Foster