Royal baby: David Cameron congratulates Prince William and Catherine on birth of son
22 July 2013 Last updated at 21:21 BST
Prime minister David Cameron has offered his congratulations to the Duke and Duchess of Cambridge following the birth of their first son.
The baby was born at 16:24 BST, weighing 8lb 6oz, at St Mary's Hospital in Paddington, West London.
Mr Cameron described the news as "a historic moment in the life of our nation" but added that "above all, it's a wonderful moment for a warm and loving couple who have got a brand new baby boy."