The Duke and Duchess of Cambridge have named their daughter Charlotte Elizabeth Diana.
She will be known as HRH Princess Charlotte of Cambridge.
Video shows a 62-gun salute at the Tower of London marking the birth of the Duke and Duchess of Cambridge's second child and new daughter.
Police in Texas have killed two gunmen, who opened fire at a conference where people were drawing cartoons depicting the Prophet Mohammed. They opened fire at a security officer before being shot by police.
ITV News reporter Nick Thatcher has the latest:
Royal gun salutes have been fired to celebrate the birth of the Duke and Duchess of Cambridge's baby princess.
The Honourable Artillery Company completed a 62-gun salute at the Tower of London - an extra 21 for the City of London - while the King's Troop Royal Horse Artillery silmultaneously fired 41 volleys in Hyde Park at 2pm.
Just before the King's Troop began the Royal Artillery Band played the Stevie Wonder hit 'Isn't She Lovely'.
The bells of Westminster Abbey also rang out at exactly 2pm to mark the royal birth.
SNP leader Nicola Sturgeon has rejected claims that her party will cause 'chaos' in Westminster if it refused to back the budget plans put forward by a minority Labour government.
Speaking on the campaign trail, Ms Sturgeon admitted the SNP would block a Labour budget if it included more austerity measures but she said this "would not bring down a minority government" but would force it to rethink.
A row has broken out between Nick Clegg and David Cameron, just three days before the election. The Tory leader says claims made by the Liberal Democrat peer Lord Scriven, that the Prime Minister has privately given up on winning a majority are "desperate". Nick Clegg responded insisting Conservatives, who were campaigning for a majority were peddling a "big, fat fib".
ITV News political correspondent Lewis Vaughan Jones reports:
One of the gunmen at attack at an exhibit of caricatures of the Prophet Mohammad in a Dallas suburb has been identified as Elton Simpson, an Arizona man previously the target of a terror investigation, ABC News said citing a senior FBI official.
The America network said FBI agents and a bomb squad were searching Simpson's Phoenix home overnight.
Russell Brand has backed backed the Labour leader Ed Miliband just days before the general election.
Speaking on his YouTube channel, he said: "You've got to vote Labour.
"David Cameron might think I’m a joke, but I don’t think there is anything funny about what the Conservative Party have been doing to this country and we have to stop them."
Green Party leader Natalie Bennett has said that Britain must do "must do more for people fleeing violence".