Bereavement in the British royal family: Prince Philip, husband of Queen Elizabeth II, has died at the age of 99.
The Buckingham Palace announced on Friday in London.
A little later the flags were raised to half-mast.
A written announcement of the death of Queen Elizabeth II's husband was also posted on the palace fence.
Only three weeks ago the Duke of Edinburgh was discharged from a London clinic after a long illness and heart operation.
Now the father of Prince Charles has died at Windsor Castle, according to the "Daily Mail"
The queen was in "deep mourning," it said.
The newspaper continues to want to know that the couple have spent the last few days together.
Elizabeth and Philip were married for 73 years and have four children together.
The official statement from the royal family states: "It is with deep sadness that Her Majesty the Queen announces the death of her beloved husband, His Royal Highness, Prince Philip, Duke of Edinburgh."
It also says about the circumstances of death: “His Royal Highness passed away peacefully this morning at Windsor Castle.
Further announcements will be made in due course.
The royal family mourns his loss together with people all over the world. "
"Today we mourn with Her Majesty"
For the British royals and Great Britain, the death of the Prince Consort is a turning point.
The BBC played the national anthem on television and Prime Minister Boris Johnson gave a live televised address, praising Philip as the Queen's “strength and support”.
"Today we mourn with Her Majesty the Queen," said the Prime Minister.
Prince Philip and Queen Elizabeth in 2007
Source: POOL / AFP via Getty Images / FIONA HANSON
Prince Philip has earned the affection of generations in the United Kingdom, across the Commonwealth and around the world.
From his experiences in World War II, he developed a “spirit of service” that he retained through all the changes after the war.
Thanks also to him, the royal family is "an institution that remains undeniably important for the balance and happiness of our national life," said Johnson in an address at the Downing Street seat of government.
Philip was also way ahead of his time, for example in his commitment to the environment, the conservative politician continued.
The first expressions of condolences also came from other parts of the world, such as Norway.
The family of King Harald, 84, heard the message with great sadness, the court in Oslo announced on Friday.
The Swedish royal family reacted also shaken.
"Prince Philip has been a good friend of our family for many years, a friendship that we cherished," said Sweden's King Carl XVI.
Gustaf (74) on Friday in a statement.
Philips' commitment to his country is a role model for everyone.
Australian Prime Minister Scott Morrison expressed his condolences: "For nearly 80 years, Prince Philip has served the Crown, his country and the Commonwealth," it said in a statement.
The deceased embodied a generation "that will no longer exist like this".
Philip and Elizabeth II had been married since 1947.
In 2017, the prince withdrew from public life.
His last official appearance was at a Royal Marines military parade outside Buckingham Palace.
He would have been a hundred in June.
Where Philip finds his final rest
There are precise rules for the burial of the Queen's husband, which are laid down in the so-called "Operation Forth Bridge".
A phase of national mourning now begins before the funeral.
The flags on public buildings will be hoisted at half-mast, the members of parliament will wear a black ribbon on their arms or a black tie as a sign of their mourning.
The members of the royal family wear black clothing.
The Queen herself will not have any official appointments and tasks, which also means that no laws can be passed during this time.
Philip would be entitled to a state funeral.
But he himself decreed that he preferred a smaller, more intimate ceremony while he was still alive.
Accordingly, the Prince Consort will now be bid farewell with military honors in a private ceremony in St. George's Chapel at Windsor Castle.
The Duke will find his final resting place in Frogmore Gardens.
Queen Victoria and her husband Albert were also buried there.