A police officer killed in a motorbike crash yesterday in which a 91-year old woman also died had appeared on the reality TV show Road Wars.
The Independent Police Complaints Commission has begun an investigation.
PC James Dixon was riding a motorcycle along the A4 Bath Road when it collided with a vehicle at around 1.50pm.
"Our thoughts remain with Pc Dixon's family and friends, as well as those of the 91-year-old woman, at this very hard time".
He was based at Loddon Valley police station.
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It's going to be very hard for anyone to continue because we have already been here for a number of years. We spoke about it through messages, it was a good thing that he had this period of absence.
The popular officer, known as Dixie, appeared on Sky TV's Road Wars in the 1990s. "My thoughts are with all those who knew him at this very hard time".
On the force's Facebook page, Ali Ashman posted: 'RIP Dixie, it was a pleasure knowing you.
Thousands have so far already been raised to help the families of both victims at this awful time.
Thames Valley Police said it will release further details when it is possible to do so. "Thoughts are with your friends and family, the police family has lost one of its best".
And a fourth added: "Such sad news about PC Dixson".
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NiceHash advised users to change online passwords, saying it was still trying to understand what had happened during the incident. The statement said, "Clearly, this is a matter of deep concern and we are working hard to rectify the matter in the coming days".
"Growing up I was a big fan of PC James "Dixie" Dixon and his @tvprp colleagues as they featured in #RoadWars", one wrote.
The elderly woman was a passenger in the auto, and the driver was rushed to hospital. Thoughts go out to his family friends and all at TVP.
IPCC Associate Commissioner Guido Liguori stated: "My contemplations and sensitivities are with their families and companions and the partners of the officer at this extremely troublesome time".
PC James Dixon dead after the cruiser he was riding crashed into an auto on Bath Road close Hare Hatch at 13:50 GMT.
Nicole Chantelle said watching Road Wars was a reason she joined the force.
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