LONDON - An American businessman told an inquest jury on Wednesday that he saw Princess Diana's car followed closely by three motorcycles moments before it slammed into a concrete pillar.
He said he witnessed a significant flash of light just before he heard a loud bang.
A long-delayed British inquest is investigating the deaths of the princess and her boyfriend, Dodi Fayed, on August 31 1997. Henri Paul, who was driving their car, also died in the crash.
Brian Anderson, testifying by video link from California, said he was in a taxi and saw the Mercedes Benz as it approached the Pont d'Alma tunnel in Paris, where it hit a concrete pillar.
The taxi driver slammed on the brakes and he could see the crashed car moving across the road toward the wall where it came to a standstill.
Anderson said he was uncertain about the source of the light, but thought it would be visible to others in the vicinity.
"I would think so, it was quite bright and was followed within a second by the sound of the bang," Anderson said.
On Monday, Francois Levistre, who said he had gone through the tunnel ahead of the Mercedes, also spoke of seeing a flash just before the collision. He said the light was directed at the car from the back of a motorcycle.
Levistre also testified that he did not see any car come past the wreck for at least two minutes and possibly as long as five. But Anderson said his taxi drove past the wreck within a minute of the accident. - Sapa-AP