Prince Harry has arrived in the U.K. after King Charles’ shocking cancer diagnosis was made public. The King’s youngest son touched down at London’s Heathrow airport on Tuesday, February 6, without his wife, Meghan Markle. Harry swiftly boarded the 11-hour flight from the United States after Buckingham Palace confirmed the sad update about the leader of England’s health on Monday, February 5. “During the king’s recent hospital procedure for benign prostate enlargement, a separate issue of concern was noted. Subsequent diagnostic tests have identified a form of cancer,” the message from the pal…