Four jockeys have been found guilty of corruption by the British Horseracing Authority.
Paul Doe and Greg Fairley, who were found guilty of deliberately 'stopping' horses during races, could face bans of up to 25 years.
Jimmy Quinn and Kirsty Milczarek were found guilty of committing corrupt of fraudulent practices.
Milczarek is also believed to have passed information on for reward.
The four jockeys, along with eight other individuals, faced charges relating to races which took place in 2009.
Paul Fitzsimons, who now trains horses, was cleared of all charges.