In a rare rebuke, Buckingham Palace issued a robust statement aimed at King Charles III’s former brother-in-law, Earl Charles Spencer, as he is set to release his bombshell memoir. Buckingham Palace is denying a claim by Princess Diana's brother that King Charles III said she would soon be forgotten after her death. Key points and original sources are listed below.

• In a rare rebuke, Buckingham Palace issued a robust statement aimed at King Charles III’s former brother-in-law, Earl Charles Spencer, as he is set to release his bombshell memoir.S1

• Buckingham Palace is denying a claim by Princess Diana's brother that King Charles III said she would soon be forgotten after her death.S2