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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Cool weekend ahead but looking dry for many with sunny spells.
Firefighters have warned residents in London that an ongoing blaze could spark the explosion of a gas cylinder.
From church bells to pageants on the Thames, festivities are prepared for the moment the Queen overtakes Victoria.