Casket of Queen Elizabeth II arrives at Buckingham Palace

Britain's King Charles III and the Queen Consort meet wellwishers outside Hillsborough Castle, Belfast, Tuesday Sept. 13, 2022. King Charles III is flying to Northern Ireland on the latest leg of his tour of the nations that make up the United Kingdom as thousands of people have lined up through the night to pay their last respects to his mother’s coffin in Edinburgh. (Niall Carson/Pool via AP)