Diane Sawyer on abc News
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New Yorkers 'thrilled' by royal baby

23 July 2013 Last updated at 01:09 BST

People in New York have been offering their congratulations to the Duke and Duchess of Cambridge after the birth of their son.

The baby was delivered at 16:24 BST at St Mary's Hospital in Paddington, west London, weighing 8lb 6oz (3.8kg).

Nick Bryant reports.