After the service, conducted by the rector of Sandringham Jonathan Riviere, the Prince of Wales and Duchess of Cornwall chatted to Park House residents while the Queen was presented with gifts from children.
The Queen was wearing a burnt orange cashmere Stewart Parvin coat, fur hat and a diamond brooch.
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Detectives investigating the abduction and rape of a 14-year-old girl as she walked to school have released a description of the offenders.
His widow wrote about his struggles with the little-known Lewy body disease in a neurological journal.
Police have revealed a pair of sandals they have had made similar to the pair Ben is thought to have been wearing when he disappeared