Complex sentence: Mohamed Al Fayed claims that the owner of the Fiat Uno was James Andanson, a French photojournalist who had been one of the paparazzi photographing Diana and Dodi earlier in the summer and was working for the British secret service.
Split into simpler sentences: Mohamed Al Fayed claims that the owner of the Fiat Uno was James Andanson, a French photojournalist. He had been one of the paparazzi photographing Diana and Dodi earlier in the summer, and Al Fayed believes he was working for the British secret service.