King Charles III waited for Queen Elizabeth II's casket to arrive at Buckingham Palace with Prince Harry and Meghan Markle directly behind him on a staircase Tuesday evening in London. The Duke and Duchess of Sussex arrived at the palace shortly before the queen's casket, and only after it made the journey from the RAF Northolt air station in Ruislip. Londoners lined the streets to get a chance to see the queen's casket before arriving at the palace.