United Kingdom, July 17 -- Prince Harry is said to have offered a rare public update on King Charles's health and his family life during a surprise appearance at the Time100 Sports Gala in New York.

The Duke of Sussex, 41, reportedly told guests that his father is "doing great" as he continues treatment for cancer.

Harry, 41, also apparently said his wife, Meghan, Duchess of Sussex, 44, and their children, Prince Archie, seven, and Princess Lilibet, five, were "happy" to be back home in California following their recent visit to the UK. The comments, reported by Page Six, came during a high-profile appearance centred on the Invictus Games, the sporting competition Harry founded in 2014 for wounded, injured and sick service personnel and...