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Duchess of Cambridge 'in labour', says Kensington Palace

22 July 2013 Last updated at 07:51 BST

The Duchess of Cambridge is in labour and has been admitted to St Mary's Hospital in London, a statement from Kensington Palace says.

The BBC's Nicholas Witchell says that the duchess is in the "early stages" of labour, and that she was brought to the hospital by car.