US president Donald Trump and his wife Melania Trump met Queen Elizabeth II at Windsor Castle during their UK tour in London. As US president marks his UK tour, thousands in London registered their protest with ‘Trump baby’ and marched through the streets of London. The day of protests began with a giant baby blimp caricature of Trump flying high in Parliament Square. Earlier, US president Donald Trump was accorded with Guard of Honour followed by military march past. Later US president and the First Lady joined the Queen for afternoon tea inside the castle.