After playing alongside his brother Prince Harry, he said of his son at a presentation ceremony: "He likes to move around a lot, he wriggles a lot, he keeps us on our toes."
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The 81-year-old has disappeared from his home on the Spanish island on the hottest day of the year so far.
A video shows firefighters hosing off four bulls while they rescued a cow that had become trapped between two trees.
Bookies have slashed odds on this year's Wimbledon being the hottest on record with some betting matches will be called off due to the heat.