Excitement is building outside St Mary’s Hospital, where the world’s media joined royal fans waiting to see the new royal baby.

The Duchess of Cambridge gave birth to a son at 11.10am on Monday, weighing 8lb 7oz.

Royal Baby
Royal fans talk to a reporter outside the Lindo Wing before the birth (Kirsty O’Connor/PA)
Royal Baby
Royal fan Terry Hutt, who turns 83 at the end of the month, had been hoping to share his birthday with the new royal (Dominic Lipinski/PA)
Royal Baby
Journalists joined royal fans outside the Lindo Wing at St Mary’s Hospital (Dominic Lipinski/PA)
Sharon McEwan camped outside the Lindo Wing in Paddington to hear the news (Dominic Lipinski/PA)
Sharon McEwan camped outside the Lindo Wing in Paddington to hear the news (Dominic Lipinski/PA)
Royal Baby
Police officers remain at the hospital doors (Dominic Lipinski/PA)
Royal Baby
Members of the media once again gathered outside the Lindo Wing where George and Charlotte were also born (Kirsty O’Connor/PA)
Royal fans celebrate outside the Lindo Wing after the news was announced (Kirsty O'Connor/PA)
Royal fans celebrate after the news was announced (Kirsty O’Connor/PA)
A town crier informed the gathered crowd and media the Duchess of Cambridge had given birth to a son (Dominic Lipinski/PA)
A town crier informed the gathered crowd and media that the Duchess of Cambridge had given birth to a son (Dominic Lipinski/PA)
Senior footman Olivia Smith (left) and footman Heather McDonald place a notice to formally announce the birth (Stefan Rousseau/PA)
Senior footman Olivia Smith (left) and footman Heather McDonald place a notice to formally announce the birth (Stefan Rousseau/PA)
The notice formally announces the birth of a baby boy to the Duke and Duchess of Cambridge at St Mary’s Hospital
The notice formally announces the birth of a son to the Duke and Duchess of Cambridge at St Mary’s Hospital (Stefan Rousseau/PA)