The Associated Press Flowers are left outside Windsor Castle in Windsor, England, on Saturday. Britain’s Kate, Princess of Wales’s revelation she is undergoing treatment for cancer has sparked ...

UK's King Charles III and Queen Camilla were joined by Swedish royals to plant a tree in the grounds of Windsor Castle.

At their long 40-minute walkabout outside Windsor Castle on Saturday ... many of them leaving flowers and emotional messages of condolence. Meghan, 41, and Harry, 37, who arrived separately ...