Prince William and Kate and King Charles carried out royal engagements today amid a war of words with Princess Diana‘s brother Earl Spencer over his bombshell new memoir.
The public events this afternoon came hours after Buckingham Palace issued an extraordinary statement in response to the explosive book by the earl, the first extract of which will be published at 5pm today on the Daily Mail website and apps.
The book, Swan Song: Diana, My Sister, describes a devastating row he had with Charles in the days after Diana died.
In a riposte that sent shockwaves through royal circles today, Charles’s aides acidly suggested that grief can ‘cloud reason, affect judgement and colour memory’.
This was seen as a barbed echo of the late Queen Elizabeth II’s famous ‘recollections may vary’ retort to Harry and Meghan after their Oprah Winfrey interview in 2021.
The palace statement said: ‘While we do not comment on books as a matter of principle, His Majesty is mindful that the pain of fraternal grief can cloud reason, affect judgment and colour memory in ways others do not recognise, even many years after such a loss.’
Despite the war of words, senior royals carried on with pre-booked engagements today – with Princess Anne opening a history centre in Staffordshire and the Duchess of Edinburgh continuing her visit to Zambia.
Today, it also emerged that Prince Harry was aware of the memoir, having discussed it with his uncle during his visit to Althorp with Meghan two months ago.
The Daily Mail understands Harry was given advance warning about the bombshell book. But he has not read it, a source close to him said.
The prince and princess stepped out in Scotland amid the Palace’s war of words
The Prince and Princess of Wales arrive for a visit to the Bute Shinty Club in Rothesay today
Prince William and Kate arrive for a visit to the Bute Shinty Club in Rothesay this afternoon
The King shakes hands with Cabinet Secretary Dame Antonia Romeo at Dumfries House today
The Duke of Sussex and Charles Spencer reportedly discussed the book when he stayed at Althorp in July.
During that visit, Harry made an emotional pilgrimage to the grave of Diana, Princess of Wales, with Meghan, Archie and Lilibet on the Northamptonshire estate where she grew up. Meghan shared an image of their poignant walk to her final resting place, as their children carried bouquets of flowers.
In the book, the earl claims that Charles, then the Prince of Wales, subjected him to a ‘stream of anger’ after he insisted Diana would not have wanted Princes William and Harry, then aged 15 and 12, to walk in her funeral procession.
According to an excerpt, one of Queen Elizabeth II’s senior aides told him that William and Harry were to walk in the procession, prompting the earl to state, ‘that’s not going to happen’.
Charles called minutes later and told him that 18 years earlier he had walked in the funeral procession of his great-uncle, Lord Mountbatten, it is claimed.
In the book, the earl claims: ‘Prince Charles continued his stream of anger, without me interrupting. Then he stopped.
‘I assumed the pause signalled an effort to bring himself under control, but then he unleashed down the phone what I have always taken to be his pent-up contempt for Diana, and his horror that the world was so bowled over by her death. ‘Rest assured’, he hissed, ‘we’ll forget her soon enough!’.’
The King’s remarkable statement disputing Earl Spencer’s claims reveals the depth of the his anger, especially because the Palace ignored Prince Harry’s book Spare, according to experts.
ITV royal editor Chris Ship said he was ‘not expecting’ the Palace to respond, but that ‘what became very clear from seeing that statement is they’re not going to take this one lying down’.
‘I know that Harry’s aware of what his uncle has written in this book. And we also know that Harry stayed with Charles Spencer when he was over in the summer and had a big family gathering,’ he said.
‘They must have spoken about the fact this was going to come out and the things that he was going to say about his father.’
King Charles III walks with Nvidia chief executive Jensen Huang at Dumfries House today
Charles gives a speech during a meeting at Dumfries House for AI leaders this afternoon
The Princess Royal lays a wreath in the Cannock Chase War Cemetery in Staffordshire today
The Duchess of Edinburgh continues her visit to Zambia today. She is pictured there yesterday
Earl Spencer speaks with Prince Charles after a banquet in Cape Town on November 4, 1997
Prince Philip, Prince William, Earl Spencer, Prince Harry and Prince Charles walk outside Westminster Abbey during the funeral procession for Princess Diana on September 6, 1997
Charles and Diana on their last official trip together to South Korea in November 1992
The Prince and Princess of Wales, who also hold the titles of the Duke and Duchess of Rothesay in Scotland, took a trip to their namesake town of Rothesay as they carried out three engagements.
Also in Scotland, the King hosted an artificial intelligence summit at Dumfries House, as he aimed to seek reassurance amid concerns about the future of AI and addressed bosses from leading AI developers including Nvidia, Anthropic and OpenAI.
The King told delegates: ‘The development of AI – its substance and its pace – are both intriguing and deeply concerning in equal measure.’
Nvidia chief executive Jensen Huang, Google DeepMind founder Sir Demis Hassabis and IonQ chairman and chief executive Niccolo de Masi were among those attending.
Paolo Benanti, who is an adviser to the Pope on issues of AI and technology ethics, was also there.
The event was overseen by the Ditchley Foundation, an organisation that brings leaders with diverse views together to address complex challenges, which has drawn up a draft charter for AI leaders.
Extracted from Swan Song: Diana, My Sister by Charles Spencer, to be published by Michael Joseph on September 22, £28. © Charles Spencer 2026. To order a copy for £23.80 (offer valid to 10/10/26; UK P&P free on orders over £25) go to www.mailshop.co.uk/books or call 020 3176 2937.



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