Mohamed Al Fayed has launched legal action against American TV network CBS for broadcasting pictures of Diana, Princess of Wales, as she lay dying.
Al Fayed has insisted the crash was no accident
The Harrods owner, whose son Dodi also died in the 1997 crash in Paris, has accused CBS of "cashing in".
He instructed his US lawyers to "take whatever legal action they could".
The black and white photocopies, from a French investigation report, showed Diana being treated by a doctor as she lay slumped in the back of her car.
The images were broadcast for 10 seconds last week and provoked outrage from Diana's family.
A spokesman for Mr Al Fayed said the multi-millionaire businessman tried to
have the show cancelled hours before it was broadcast.
Chester Stern said: "In the end any injunction
would have depended on CBS fielding a lawyer and they could not field a lawyer
with two hours of the show going on air.
"Mr Al Fayed then instructed his lawyers to take whatever legal action they
Mr Al Fayed's lawyer in Los Angeles, Fred Gaines, was not immediately
available to detail the precise action being taken against CBS.
CBS said in a statement: "We have not been served with a complaint yet, but
based on what we have heard about the lawsuit, we believe it is meritless and we
intend to vigorously defend ourselves."
It was the first time photographs of Diana, taken moments after the 1997 car
crash in Paris, have been shown in public.
Diana and Dodi had stayed at the Ritz
They were confiscated by police
from photographers at the scene.
The princess died from internal injuries hours after the car slammed into the
13th pillar of the tunnel, while being followed by photographers.
Diana's family said they were "shocked and
sickened" by the broadcast and Prime Minister Tony Blair said it was "distasteful".
Mr Al Fayed said: "They simply want to cash in on the tragedy.
"It is disgraceful and insensitive of them to do this."
He has insisted Diana and Dodi were killed by intelligence agents as
part of a conspiracy.
The Metropolitan Commissioner, Sir John Stevens, visited the crash site on Monday as part of an inquiry into the deaths.
He said he would try to "draw a line" under the unfounded theories surrounding the crash.
A French police investigation blamed the driver Henri Paul.