The note - written after the couple's acrimonious split - was revealed by Burrell earlier this year (03) following the publication of his controversial biography A ROYAL DUTY.
And now British investigators, who have launched a fresh inquiry into Diana's death, have spoken to the 45-year-old employee over the letter - which makes serious allegations against the heir to the throne.
Burrell says, "I know what Diana told me and I know what was in that letter."
Prince Charles - who was openly devastated after Diana's 1997 fatal car crash - will be interviewed by Metropolitan police commissioner SIR JOHN STEVENS later this month (MAY04).04/05/2004 13:48
David Bowie and Rag'n'Bone Man both won two awards at the 2017 BRIT Awards at the O2 Arena in London last night.
The grime superstar will top the bill on Saturday night at Finsbury Park's Wireless Festival in July, with The Weeknd and Chance The Rapper also...