Kensington Palace has tweeted a photo of the assembled media and onlookers outside St Mary's hospital.
Kensington Palace has tweeted today that the Duchess of Cambridge is in labour and has been admitted
to hospital for the birth of the Duke and Duchess's third baby.
Today, 23rd of April is St George's Day in England, that country's patron saint.
The Royal Family's website has a page dedicated to updates on the arrival of the new prince or princess.
https://www.royal.uk/baby
Here is the twitter announcement from Kensington Palace:
Saturday 2nd May, 2015
Breaking News
From KensingtonRoyal twitter:
"HRH The Duchess of Cambridge was admitted at 06.00hrs to St Mary’s Hospital, Paddington, London and is in the early stages of labour.
The Duchess travelled by car from Kensington Palace to the Lindo Wing at St. Mary’s Hospital with The Duke of Cambridge."
Yay at last!