Royal baby: Prince William and Catherine welcome baby boy

The Duchess of Cambridge has given birth to a baby boy, Kensington Palace has announced.

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

The Duke of Cambridge said in a statement the couple "could not be happier". He and the duchess will remain in the hospital overnight.

Nicholas Witchell reports.