Palace crowds given the news by two footmen with bulletin board
Hundreds watched from outside Buckingham Palace's gates as the bulletin announcing the birth of the Duke and Duchess of Sussex's son was unveiled.
The framed message was placed on the palace forecourt.
Brought out just after 4.45pm from the Privy Purse Door, it read: "The Queen and the Royal Family are delighted at the news that Her Royal Highness The Duchess of Sussex was safely delivered of a son at 0526am today. Her Royal Highness and her child are both doing well."
In a break with tradition, the notice did not include the signature of any physicians, indicating the couple wished to keep details of their medical staff private.
Footmen Stephen Kelly and Sarah Thompson carried out the golden easel, followed by the bulletin in a wooden frame.
The palace's Union flag was also taken down and replaced with a bigger one.
Alice Scammell, from Barnet, had been waiting outside the gates with her two children hoping to get a glimpse of the royal family.
The 26-year-old said: "Someone told us two hours ago that maybe a royal will turn up, we only came out on an outing, but we thought we've got to get down. We're very excited."
Jennifer Rice (48) from Tennessee, who was travelling around Europe when she returned to London for the birth, said: "I've never had the desire to come for the birth of the children, but now I know it's part American it's part of us. I hope he's a redhead!"