Ken Wharfe, the Princess's former Metropolitan Police bodyguard, told The Daily Telegraph: "If these parents were so concerned that this information was relevant or had some general import, then they should have delivered it to the inquest.
"Why has it taken so long to air this new information? It seems so shallow to me. I just think it's a bit of a publicity stunt.
"For what reason I'm not certain, but in the absence of any real evidence, I'm sure this will go away."
More top news
Iraqi forces have begun an operation to banish Islamic State from one of their last remaining strongholds in the country.
Andrew Warren and US professor Wyndham Lathem have been charged with murdering a 26-year-old man in Chicago.
There will be a few showers in the north, but otherwise dry for many with warm sunny spells before heavier rain in the south west.