In pictures: Royal baby boy bornPublished23 July 2013Shareclose panelShare pageCopy linkAbout sharingImage caption, The Duchess of Cambridge has given birth to a baby boy, Kensington Palace has announced. An official notice was placed on an easel at Buckingham Palace for the public to see.Image caption, Royal press secretary Ed Perkins raced out of the hospital to hand over the medical bulletin confirming the birth.Image caption, Crowds of people tried to get a look at the notice formally announcing the birth.Image caption, The announcement was news around the world and was tickered in New York's Times Square.Image caption, Marcus Setchell (centre), who led the medical team, said as he left the hospital: "Wonderful baby, beautiful baby."Image caption, The famous fountains in London's Trafalgar Square will be lit up blue for a week to celebrate the birth.Image caption, The duchess was taken to hospital in the early stages of labour on Monday morning. She travelled by car with her husband the Duke of Cambridge.Image caption, Crowds including members of the public and media gathered outside St Mary's Hospital in Paddington, west London, where the duchess was in the private Lindo Wing.Image caption, People also congregated at Buckingham Palace, where the official announcement of the birth was displayed in the forecourt.Image caption, The Prince of Wales was on a visit to the National Railway Museum in York, where he saw a locomotive bearing the name of the father-to-be.Image caption, Members of the media turned up in Catherine's home village of Bucklebury in Berkshire.Image caption, Messages of support for Catherine came in many different ways. Here a royal fan displays a cake outside St Mary's.Image caption, Photographers trained their cameras outside the hospital, not wanting to miss a shot.Image caption, Police officers kept a watching brief outside Buckingham Palace as the summer heatwave in London and many other parts of the UK continued.Image caption, The announcement sparked immense media interest around the world. Here a team from US news channel CNN have the palace as a backdrop to their coverage.More on this storyDuchess in labour as world waitsPublished22 July 2013