King Charles has attended the annual Easter Sunday service at Windsor Castle, his first major public appearance since he was diagnosed with cancer. Smiling and waving, the king, 75, joined Queen Camilla at the Easter Mattins service at St George’s Chapel. Also present were the Duke and Duchess of Edinburgh and their son, James, Princess Anne and her husband, Timothy Laurence, and the Duke and Duchess of York. The Princess of Wales and her family were absent as she continues her cancer treatment King Charles attends Easter Sunday service at Windsor Castle