World Anti-Doping Agency launches investigation over 'concerning' British Cycling allegations

Further doubt is being cast over some of the medals won at London 2012 following allegations published in The Mail on Sunday.

WADA says some of the information it has received is of 'significant concern'. File pic
Image: WADA says some of the information it has received is of 'significant concern'. File pic
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UK Anti-Doping (UKAD) is under investigation by the World Anti-Doping Agency (WADA).

British Cycling has been known as Great Britain's great medal factory, winning eight gold medals at the London Olympics, the most for more than a century.

But now, further doubt is being cast upon the medals won at London 2012.

A British rider's urine sample from an out-of-competition test in late 2010 allegedly contained irregular levels of nandrolone, a banned anabolic steroid.

But remarkably, British Cycling were allowed to carry out its own investigation into the incident, according to The Mail on Sunday.

Rather than UKAD pursuing the case itself to discover the cause of the anomalous sample - as the WADA Code in place at the time dictated - the agency reportedly tipped off senior management at British Cycling. Its investigation reached no firm conclusion.

Nandrolone can be produced naturally at high levels by some people, and there have been spates of nandrolone contamination in supplements over the past few decades.

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The revelations come after British Cycling's former chief doctor Richard Freeman was struck off for practising medicine.

He was found by a medical practitioners tribunal to have ordered the banned steroid testosterone knowing or believing it was to dope a rider.

A WADA spokesperson said: "Some of the information provided to WADA on this is of significant concern. We have asked our independent Intelligence and Investigations Department to look into this matter and to contact UKAD to seek further information."

The Mail On Sunday claims the anomalous sample came from one member of a high-profile group of British Olympians, a small group of whom were then asked by British Cycling to submit to private follow-up urine screening.

The newspaper claims to know the identities of the riders who were screened, and contacted them for comment. They all declined to comment on the record.

Sky News has contacted UKAD for comment.