ET has learned Prince Harry arrived in the UK on Sunday to attend Prince Philip’s upcoming funeral. The Duke of Sussex was not joined by wife Meghan Markle, who is pregnant with the couple’s second child. Meghan’s physician did not clear her for travel. Royal expert Omid Scobie told ET that Harry was ‘so close to his grandfather,’ and this is certain to be ‘a very difficult time for him.’ The Duke of Edinburgh’s funeral is set to take place at St George’s Chapel at Windsor Castle.