Retesting of a Turkish runner’s samples have led to her being retroactively disqualified from the 2012 Olympic Games.

Gulcan Mingir had competed in the women’s 3,000-meter steeplechase in London.

“Re-analysis of Mingir’s samples from London 2012 resulted in a positive test for the prohibited substance dehydrochlormethyltestosterone (turabinol),” the International Olympic Committee said on its website.

It added that the decision enters into force immediately and the Turkish Olympic Committee shall ensure its full implementation.

Mingir, now 30 years old, had come in 27th in the event.

She also clinched the gold medal at the 2012 European Athletics Championships in Helsinki.

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