Protesters wearing masks of King Charles III and U.S. President Donald Trump gathered outside Buckingham Palace as the monarch arrived in Washington. Critics from the Stop Trump Coalition condemned the visit, arguing it highlights inequality during Britain’s ongoing cost of living crisis. Tensions are heightened by a rift between the U.K. government and Trump, particularly over Iran. Trump has publicly criticized Prime Minister Keir Starmer, yet maintains the diplomatic dispute will not overshadow the royal engagement or broader NATO relations overall.