King Charles III arrives for U.S. state visit

Two and a half centuries after the American colonies broke away from the British Crown, King Charles III has landed in Washington for a high-stakes state visit aimed at mending a fraying "special relationship." The four-day visit, intended to celebrate the 250th anniversary of the United States, comes at a moment of intense geopolitical friction and heightened security following Saturday’s shooting at the White House Correspondents' Dinner.