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What happens now the Queen has died? Operation Unicorn triggered

What happens now the Queen has died? Operation Unicorn is triggered after Her Majesty died at Balmoral not London as Royal Train is sent to convey her coffin back to London, Scottish Parliament is suspended and Britain enters 10 days of official mourning

  • As preparations get under way for funeral, the accession process for a new head of state begins immediately 
  • Prince Charles is now effectively king, although protocol says he will be declared new monarch tomorrow
  • William is now heir, followed by eldest son George, daughter Charlotte and youngest son Louis
  • Prince Charles will be declared king at a meeting of the Accession Council, usually at St James’ Palace 
  • The Council is made up of all the Privy Counsellors, of whom there are hundreds
  • Full coverage: Click here to see all our coverage of the Queen’s passing

The death of the Queen in Scotland has triggered contingency plans known as Operation Unicorn.

Part of the long-held so-called London Bridge arrangements for the aftermath of Elizabeth’s death, Unicorn sets in motion additional ceremonial events in Edinburgh ahead of the logistics of moving the Queen’s coffin back to London.

The Earl Marshal who is in charge of the plans will, along with royal aides and the Government, be rapidly adjusting the overarching timetable to incorporate the Scottish element, as the military, clergy and police turn their attention to the immense practicalities.

The royal family has already made the urgent dash to Balmoral, with Charles – the new king – and the Queen’s other children the Princess Royal, the Duke of York and the Earl of Wessex at the monarch’s bedside.

As preparations get under way for the funeral, the accession process for a new head of state begins immediately. 

Prince Charles, 73, is now effectively king although protocol dictates that he is proclaimed as the new monarch the day after the Queen’s death. 

This will take place at a meeting of the Accession Council, which usually gathers at St James’s Palace in London. The codename for King Charles’s accession to the throne is Operation Spring Tide.

Members of the royal family will be expected in the coming days to hold a poignant vigil around the Queen’s coffin in St Giles’ Cathedral in Edinburgh.

Also at Balmoral are the Duke of Cambridge, now the heir to the throne, and Camilla – the new Queen, and the Countess of Wessex. Initially, the Queen’s coffin is expected to be at rest in the Ballroom at Balmoral.

The Scottish Parliament will be suspended, with Her Majesty’s body expected to first be taken to Edinburgh on the Royal Train in a journey lasting more than five hours to lie at rest overnight in the Palace of Holyroodhouse.

The following day her coffin will be carried up the Royal Mile to St Giles’s Cathedral for a service of reception.  

The Queen’s children are expected to stage a vigil around the Queen’s coffin – known as the Vigil of the Princes – while it lies in the cathedral. Members of the public are expected to be allowed in to file past the Queen’s coffin to pay their respects. 

The Queen’s coffin will then be put on the Royal Train once again and be taken back to Buckingham Palace in London.

Another contingency plan, codenamed Operation Overstudy will be triggered if the journey is to be made by air, most likely flying the coffin on an aircraft of the Queen’s Flight to RAF Brize Norton or RAF Northholt. 

Whether the coffin is borne by air or rail, it will be met by a reception committee of the Prime Minister and members of her Cabinet upon its arrival in London. 

Once Her Majesty’s body is back at Buckingham Palace, there will be eight further days of the official period of mourning that will end with her funeral at Westminster Abbey. 

An extraordinary level of action will now be required by all arms of the British state, including a vast security operation to manage the unprecedented crowds and travel chaos that could see, in the words of one official memo, London might even be declared ‘full’. 

The new line of succession to the throne of the United Kingdom following the Queen’s death. Prince Charles is now the King

Prince Charles and Prince William (left) are seen during the National Service of Remembrance at The Cenotaph in November last year. Right: Charles and the Queen attending the Queen’s Body Guard for Scotland (also known as the Royal Company of Archers) Reddendo Parade in the gardens of the Palace of Holyroodhouse, Edinburgh, Scotland on June 30, 2022

Queen Elizabeth II has died today aged 96. Above: Her Majesty arriving at Balmoral Castle for the start of her summer break on July 21

Britain will now enter ten days of official mourning over the loss of Queen Elizabeth II. Above: The Queen attends an audience with Switzerland’s president at Windsor Castle on April 28

Prince Charles, 73, is now effectively king although protocol dictates that he is proclaimed as the new monarch the day after the Queen’s death. Above: The Prince of Wales and the Queen walking in Balmoral in October 2021

The Queen and Prince Charles at Buckingham Palace for a banquet on October 23, 2016. Today, Charles is now King

Prince Charles with the Duke and Duchess of Cambridge at Sandringham arriving for the traditional Christmas Day service at St Mary Magdalene’s church in 2018

The Queen, pictured with Prince Philip, Prince Charles and Prince William at Clarence House in London to mark the 50th anniversary of her coronation, on June 2, 2003


The plans for Operation London Bridge were leaked in granular detail in 2019.  

They tell how the first person outside of Balmoral and Buckingham Palace to be told of the Queen’s death was the Prime Minister in a phone call. 

It has been the rumour since the plan was first drawn up in the 1960s that the code ‘London Bridge has fallen’ would be used to describe Her Majesty’s death, but it has not been confirmed that this is what took place today. 

Will Prince Charles go by King Charles – or use one of his middle names? 

The Duke of Cornwall’s full name is Charles Philip Arthur George and he has different options when it comes to his last name – you can read about it here. This means that Charles is actually perfectly entitled to use any of his names for his regnal name. 

The Constitution Unit at University College London (UCL) reports that the Prince is free to choose.

It said: ‘King Edward VII chose Edward as his regnal title, although hitherto he had been known by his first name of Albert. King Edward VIII also chose Edward as his regnal title, although he was known to his family and friends as David.

‘Prince Charles’ Christian names are Charles Philip Arthur George. Instead of becoming King Charles he might choose to become King George VII, or King Philip, or King Arthur, although Clarence House has denied this in the past.’

In 2005, there were rumours that Prince Charles held private discussions about the possibility of being called George VII. Prince Charles’ grandfather was King George VI.

There is also a possibility that he could become King Philip as a tribute to his father, the Duke of Edinburgh. He could also be named King Arthur – although he might not want to due to the internationally famous Arthurian legend. But it’s an interesting option, especially as he currently owns Tintagel Castle as part of the Duchy of Cornwall.

It has been reported that, during meetings, officials and the Prince of Wales discussed that he would probably remain Charles.

Before the public were told via an ‘official notification’ that was sent to the main UK broadcasters, a ‘call cascade’ to members of the Cabinet, the privy council and senior figures in the Armed Forces took place. 

According to the Operation London Bridge plans, they will have been read a script that stated: ‘We have just been informed of the death of Her Majesty The Queen. Discretion is required’. 

Once the public were told earlier today, an email was set to be sent to ministers and civil servants saying: ‘Dear colleagues, it is with sadness that I write to inform you of the death of Her Majesty The Queen.

All flags on Whitehall and across state buildings have been or will be lowered to half mast later today. 

Parliament is also set to be recalled in the devolved legislatures in Scotland, Wales and Northern Ireland. 

The Royal Family’s official website has been turned black, with a short announcement confirming the Queen’s death. 

Government websites have also been changed and are displaying special, already designed banners. 

Official Twitter, Facebook and Instagram accounts will also turn black and all tweets paused other than those already agreed – but there will be silence until the Prime Minister speaks. 

The Prime Minister will address the nation from Downing Street, and give a tribute to Her Majesty.

She is now set to go and see the new King, Prince Charles, who will address the nation himself in a televised statement.

The Prime Minister and the most senior Cabinet ministers will later attend a service of Remembrance at St Paul’s Cathedral. 

D-Day +1 


The Accession Council – which is formed of all Privy Counsellors, Great Officers of State, the Lord Mayor and City Civic party, Realm High Commissioners and certain senior civil servants – will be convened at Buckingham Palace.

There, they will proclaim King Charles as the new sovereign, although he will have the option to change his name. 

He could select a ‘regnal’ name from his Christian or middle names, meaning he could become King Philip, Arthur or George instead of King Charles III. 

Charles will swear to ‘inviolably maintain and preserve the Settlement of the true Protestant Religion’ in Scotland, in an oath taken by every new monarch since George I in 1714. 

All men attending the ceremony will be expected to wear morning dress or lounge suits with black or dark ties. No medals or decorations can be worn. 

Next in line for the throne is Prince William, 39, followed by his children, Prince George, eight, Princess Charlotte, six, and Prince Louis, three, with William’s brother, Prince Harry, 37, after that.

Charles’s wife Camilla, Duchess of Cornwall will officially become Queen Consort, after Queen Elizabeth II gave her seal of approval for this to be the case. 

The Accession Proclamation will be read aloud and signed, before it is read to the public at St James’s Palace and other cities including Edinburgh, Cardiff and Belfast.

A 41-gun salute will be fired in Hyde Park at the direction of the Council, lasting for nearly seven minutes. 

After that, the nation’s politicians will swear allegiance to the new ruler. 

At around midday, MPs will begin giving tributes in the House of Commons, lead by the Prime Minister.

At around 3:30pm, the PM and the Cabinet will go to Buckingham Palace for an audience with King Charles, but no spouses will be allowed. 

(Left to right) The Duchess of Cornwall, the Prince of Wales, Queen Elizabeth II, the Duke of Edinburgh, and Duke and Duchess of Cambridge at Buckingham Palace on December 8, 2016

D-Day +2

Because she is at Balmoral, Operation Unicorn is continuing. It is believed Her Majesty’s body will lie at rest in Holyroodhouse, where she is traditionally guarded by the Royal Company of Archers.

The coffin could then be carried up the Royal Mile to St Giles’s cathedral for a service of reception. It will then be put onto the Royal Train at Waverley station, where it will make its way down to London.

Crowds are expected to gather at level crossings and on station platforms the length of the country as the train passes. 

If the train journey is not possible, it is believed officials would switch to Operation Overstudy, under which the coffin would be taken to London by plane from Aberdeen Airport.  

Once in London, the Queen’s body will be taken to Buckingham Palace, where her coffin will be displayed in the Throne Room. 

There will be an altar, the pall, the Royal Standard, and four Grenadier Guards, their bearskin hats inclined, their rifles pointing to the floor, standing watch.

Her Majesty had been living at Windsor since the outbreak of the coronavirus pandemic in 2020 and was only at Balmoral for her summer break.

If she had been at Windsor when she died, her body would have been moved to Buckingham Palace by car.   

If she had been Sandringham in Norfolk, her body would be carried to London on the Royal Train.  

Another day of tributes in the House of Commons and devolved parliaments is also expected. 

New line of succession to the UK throne

D-Day +3

The new King Charles will begin a tour of the UK, which will start with a visit to Westminster Hall in the Houses of Parliament. 

There, MPs will give a ‘motion of condolence’.

His next stop will be Edinburgh to visit the Scottish parliament, followed by a memorial service at St. Giles Cathedral. 

D-Day +4 

King Charles will then fly to Northern Ireland, where members of the devolved parliament will give another motion of condolence, this time at Hillsborough Castle, the residence of the Secretary of State for Northern Ireland, and the official residence of the monarch while in Northern Ireland.

He will then attend a service at St. Anne’s Cathedral in Belfast.

In London, the first rehearsal of the procession of the Queen’s coffin from Buckingham Palace to the Palace of Westminster via The Mall will take place, known as Operation Lion.

D-Day +5 

The Queen’s body will leave Buckingham Palace and be carried to the Palace of Westminster to lie in state. 

The procession will be the first great military parade following Her Majesty’s death. 

A similar slow march for the Queen Mother in 2002 involved 1,600 personnel and stretched for half a mile. The route is thought to hold around a million people. 

A memorial service will be held when she arrives.  

Day six to day nine

Three days of the Queen lying in state begins, called Operation Feather.

Her coffin will sit on a dark catafalque – a decorated wooden framework supporting the coffin of a distinguished person during a funeral or while lying in state – to make it easier for the public filing through to see the coffin.

Westminster Hall will be open to the public for 23 hours a day, but the first people to visit will be VIPs. They will be given timed slots to pay their respects.

Meanwhile, Charles will fly to Wales for the final leg of his UK tour. He will visit the Welsh parliament before a memorial service at Llandaff Cathedral in Cardiff. 

The Queen and the Duke of Edinburgh in April 1949 as they celebrate the birth of their first child, Prince Charles, who will now become the King

There will be huge amounts of planning going on in the royal household and in Whitehall, especially ensuring heads of state, VIPs and dignitaries have arrangements to head to the UK for the funeral on Day 10.

The Department for Transport, Home Office and Border Force have plans in place for the number of Britons and foreign tourists expected to go to London in this period.

Transport for London will also be involved to ensure Tube and bus provision is sufficient.

It is believed that more than a million people could arrive. 

Police leave will likely be cancelled, but there are concerns about where the large numbers of stewards needed will be sourced from. 

Day 10

The day of the Queen’s funeral. It will be a ‘Day of National Mourning’ – although will not be an official bank holiday.

If the day had fallen on a week day, it would be up to employers to decide if staff can have the day off, but there will be no diktat ordering it.  

Her Majesty will be moved to the state funeral held at Westminster Abbey, culminating in a two minutes’ silence across the nation at midday.

Some 2,000 people are expected to attend. 

When the coffin emerges again, the pallbearers will place it on the green gun carriage that was used for the Queen’s father, his father and his father’s father, and 138 junior sailors will drop their heads to their chests and pull.

The last state funeral was for the Queen Mother on April 9, 2002. Here the congregation watches as pallbearers place her coffin on the catafalque in Westminster Abbey in London

 The hearse bearing the Queen Mother’s coffin at Windsor Castle for her interment in 2002

The royal standard at full mast flies over Windsor Castle on the hill below the coffin of King George VI followed by the carriage carrying the Queen following his death on February 6, 1952

A royal procession through Norfolk following the death of King George V on January 20, 1936. When the Queen’s coffin emerges from Westminster Abbey will be placed a green gun carriage used by her father and his father

This is a tradition that began at Victoria’s funeral in 1901 when the horses threatened to bolt at Windsor Station and a waiting contingent of ratings stepped in to pull the coffin instead.

The procession will then swing on to the Mall. From Hyde Park Corner, the hearse will go 23 miles by road to Windsor Castle, which claims the bodies of British sovereigns.

The Royal household will be waiting for her, standing on the grass. 

Inside the St George’s Chapel, the lift to the royal vault will descend, and King Charles will drop a handful of red earth from a silver bowl. 

Her Majesty will be buried next to her beloved husband Prince Philip. 

It is not known when Prince Charles’ coronation will be held. But his mother the Queen was crowned 16 months after King George VI died.

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