Martha MacCallum reported from the streets of London directly outside the hospital at which it was just announced that the Duchess of Cambridge gave birth to a baby boy on Monday. 

For more on the royal birth, check out some photos of Prince William and Kate Middleton's marriage and pregnancy. Plus, see the Twitter reaction from around the globe to the big announcement!

Below, the town crier announces the news of the royal birth outside the Lindo Wing, where the duchess gave birth.