UPDATED 11:10pm: The Duchess of Cambridge has given birth to a daughter.

Kensington Palace has announced the baby - fourth in line to the throne - was "safely delivered" at 08:34 in the morning London time.

The duchess had earlier been admitted to the Lindo Wing at St Mary's Hospital where Prince George was born in July 2013.

The Palace added that both mother and baby are "doing well".

The baby weighed 8 pounds 3 ounces or 3.7 kilograms

The duchess travelled to the hospital with her husband Prince William and was admitted about two-and-a-half hours earlier.