King Charles was told the Queen was ill at Dumfries House in a frantic phone call, after which everything went "silent".
The day Her Majesty Queen Elizabeth passed away, the then Prince of Wales and Duchess of Cornwall were at the royal Ayrshire estate.
Queen Consort Camilla was about to be interviewed by former US President George Bush's daughter when an aide was heard running in the corridor outside, reports The Mirror.
Minutes after taking the call at the Cumnock residence, she and Charles were aboard a helicopter flying towards Balmoral.
The call was taken at 12.30pm on September 8 — around the same time the world was told of the Queen’s ailing health.
Newsweek’s chief royal correspondent Jack Royston told True Royalty TV’s The Royal Beat: “Charles and Camilla were in Dumfries House.
"Camilla was actually about to record an interview with Jenna Bush Hager, who said she heard footsteps running in the hallway.
“Charles took a call, everything was silent, and they were asked to be silent.
“Then the next thing she knew, Charles and Camilla were in a helicopter. And that was at 12.30pm [on Thursday, September 8], so that was around exactly the same time that we were told.
“So they didn’t wait, they didn’t give Charles an hour or two hours [before telling the public].”
Bush Hager — the daughter of ex President George W Bush — told the Morning Show she had dined with King Charles the night before his mother's death.
We told you previously about Charles' last night as a Prince before he became King.
The journalist had flown to Scotland to record an interview with Camilla, Fox News reported.
Around two hours before their chat however she and the team heard aides running up and down the corridors of Dumfries House as they were setting up.
She said: "They said he’s on a call can you please be quiet.
"They said the Queen is ill and they’ve gone and rushed off to be with her.
"We just said our hearts are with them."
Thousands of people have continued to queue overnight to see the Queen lying in state in Westminster House along London’s South Bank.
Full details of the Queen’s funeral were released yesterday, with her majesty set to be laid to rest alongside her beloved husband, the Duke of Edinburgh.
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