Fight against performance enhancing drugs moves on to LondonA number of athletes tested positive for prohibited substances at the recent Commonwealth Games in Delhi. The latest in a series of doping scandals has left the credibility of international sport on the point of being overwhelmed.

As the UK begins counting down to the 2012 Olympics, the world of sport seems to be paralyzed by abuse of performance enhancing drugs.

In 2012 London will provide the next battleground between the testers and the lawyers and it is believed that this battle will be as fierce as it takes place on the track or in the pool.