Official PHOTOS: #TrumpUKVisit: Donald Trump accompanied by Melania arrives in the UK for his 3-day state visit

The Royal Family writes:

''On the first day of the #USStateVisit Her Majesty The Queen, with The Prince of Wales and The Duchess of Cornwall, officially welcomed President Donald J Trump and the First Lady, Mrs. Melania Trump, to the United Kingdom. Marine One landed in the gardens of Buckingham Palace shortly after midday, and the President and First Lady were greeted on arrival by The Prince of Wales and The Duchess of Cornwall before meeting The Queen on the West Terrace. The Guard of Honour, found by Nijmegen Company, Grenadier Guards, gave a Royal Salute, before the US National Anthem, The Star-Spangled Banner, was played by the Band of the Regiment. Escorted by The Prince of Wales, the President then inspected the Guard of Honour on the lawn of Buckingham Palace garden. After a private lunch, The Queen, the President, the First Lady and other members of the Royals Family viewed Royal Collection Trust items on display at Buckingham Palace. Later the President and the First Lady, accompanied by Hrhthedukeofyork as they lay a wreath at the Grave of the Unknown Warrior at Westminster Abbey before joining The Prince of Wales and The Duchess of Cornwall for afternoon tea at Clarence House.''