Defeat Ends Dwain's Beijing Saga
Athlete Dwain Chambers' ban from the Beijing Olympics is the final chapter in a five-year saga since he first tested positive for steroids.
His fight to represent Britain at the Games drew a strong reaction.
Last month athletes including Dame Kelly Holmes and Sir Steven Redgrave signed a petition against him being allowed to take part.
But this has not stopped the disgraced sprinter fighting for an Olympic return.
He was discovered using "designer steroid" tetrahydrogestrinone (THG) in 2003, and in February 2004 was given a two-year, worldwide ban.
Chambers was also barred from the Olympics for life.
The athlete admitted he had used steroids for 18 months before being caught - including when he became European champion in 2002.
Former supplier Victor Conte, said he used a cocktail of performance enhancers including THG, Human Growth Hormone, Insulin and Testosterone.
Chambers' two-year ban ended in November 2005, but he was not allowed to compete until he had taken three drug tests. …