Physicist Stephen Hawking has died at the age of 76, a spokesman for his family has said.
The Briton was known for his ground-breaking work with black holes and relativity, and was the author of several popular science books including A Brief History of Time.
In a statement his children said: “He was a great scientist… whose work and legacy will live on for many years.
This breaking news story is being updated and more details will be published shortly. Please refresh the page for the fullest version.