Birth announced by a press release sent out from the palace at 8.30pm GMT
Duchess of Cambridge and her son are both doing well and will remain in hospital overnight
Queen and Duke of Edinburgh said to be 'delighted' at news of their great grandson's birth
Kate was admitted to hospital at around 5.30am and arrived in car with Prince William
The 31-year-old planned to give birth to the royal baby naturally and she was not induced into labour
Future king was born at the same hospital in Paddington where Princess Diana had Princes William and Harry
Prince William was by his wife's side at the Lindo Wing at St Mary's Hospital in London
He will now take two weeks' paternity leave and accept the full entitlement of £136.78 per week
The royal couple did not know the sex of the baby who will replace Harry as third in line to the throne
Royal couple helped to St Mary's by protection officer who went with Prince Harry on infamous Vegas trip last year
Police officer shows off his security briefing note in full view of hundreds of cameras this afternoon
Flashback: A bogus easel similar to the one that will be used to announce the royal baby's birth is placed outside the Palace as tourists mill around
Getting a better view: These excited children climb the gates of the Palace and are among the hundreds getting swept away in the excitement of the royal baby's impending arrival
Waiting: Queues of people snake around Buckingham Palace ahead of the arrival of the royal baby as others take pictures with the Queen Victoria Memorial statue in the background, which faces the Queen's home
Royal fans: A young girl looks-on as Royal well wishers Sarah Haggie, left, and Fi Thompson, right, pose in Union flag themed jackets outside Buckingham Palace in central London
Dedication: Another royal supporter John Loughrey poses with his royal baby memorabilia as he waits across the street from the hospital's exclusive Lindo Wing
In for the long haul: Royal supporter John Loughrey looks out from his tent outside the Lindo Wing of St Mary's Hospital
