The 23-year-old flew home from Switzlerland for a hearing.

The findings came from the administration of banned medication Oxycodone she used at Shanghai in May after suffering pain from a dental procedure, it has been claimed.

Fraser‘s club, MVP, confirmed the news through its President Bruce James.

He said: "We are coming forward with this information, because we have nothing to hide.

"The positive finding is not a performance enhancing drug or a masking agent and therefore we want to have this matter resolved as fast as possible.

"We are the ones who are making the immediate decision to come public with this.

"It is a minor doping violation."

It has been claimed that the International Association of Athletics Federations (IAAF) had confirmed  that it was not a performance-enhancing drug and that she could compete until the matter was resolved.

But Fraser, the first Jamaican woman ever to win the Olympic 100m title, had taken the decision to withdraw from competition until she had cleared her name.

James said there will be a press conference tomorrow afternoon in Kingston to give more details of the situation.

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