Prince Philip, Queen Elizabeth II’s husband, has died aged 99, Buckingham Palace has announced.
In a statement shortly after midday, the palace said: “His Royal Highness passed away peacefully this morning at Windsor Castle.”
The Duke of Edinburgh, who was the longest-serving consort in British history, had returned to Windsor Castle on 16 March after a month in hospital.
Boris Johnson said he “inspired the lives of countless young people”.
“It is with deep sorrow that Her Majesty The Queen announces the death of her beloved husband,” the palace said.
“The Royal Family join with people around the world in mourning his loss.”
Speaking at Downing Street, the prime minister said the duke had “earned the affection of generations here in the United Kingdom, across the Commonwealth, and around the world”.
BBC