Prince Harry and Prince William are said to be putting their differences aside to come together and remember Prince Philip, a royal expert has revealed.The Duke of Sussex, 36, returned to the UK from California, US earlier this week ahead of the funeral of Prince Philip, Duke of Edinburgh on Saturday 17 April. It will be the first time Prince Harry will reunite with his brother Prince William, 38, face-to-face following his explosive interview with Oprah Winfrey.