http://www.bbc.co.uk/sport/0/athletics/24908977
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The head of the World Anti-Doping Agency (Wada) says Jamaica has "lost its way" on drug testing for athletes.
It comes after the country's most senior drug tester said recent failed tests might be the "tip of an iceberg".
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Concerns over Jamaica's drugs testing regime were raised after former Jadco (the country's anti-doping commission) executive director Renee Anne Shirley said the agency had conducted only one out-of-competition test in the six months leading up to the 2012 Olympic Games in London.
Her revelation came after a series of Jamaican athletes tested positive and resulted in Wada visiting the country at the end of October to assess its doping policies.