Dr Frederic Mailliez was on the scene within minutes
Today marks the twenty year anniversary of Princess Diana's death in Paris.
On August 31st, 1997 the Princess died after the limousine she was in crashed in the Pont de l'Alma road tunnel.
Dr Frederic Mailliez, an off-duty emergency medicine doctor rushed to the car, not knowing anything about who was inside.
He shared his story with Tom Dunne on The Moncrieff Show.