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2016 Rio Olympics - Athletics - Final - Men's 200m Final - Olympic Stadium - Rio de Janeiro, Brazil - 18/08/2016. Usain Bolt (JAM) of Jamaica tears off his number tags from his shorts and throws them to the ground after winning the gold. REUTERS/Lucy Nicholson TPX IMAGES OF THE DAY. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. - RTX2LYCQ

Bolt loses gold medal after teammate fails anti-doping test

Usain Bolt has been stripped of one of his nine Olympic gold medals after a teammate tested positive for a banned substance.

The International Olympic Committee said Wednesday that Jamaican runner Nesta Carter tested positive for the stimulant methylhexaneamine when his urine samples from the Beijing 2008 Olympics were reanalyzed. The substance is banned under Olympic anti-doping rules.

As a result, the committee has disqualified Carter and the Jamaican team from the men’s 4x100m relay event, which the team had won in the 2008 Olympics.

The IOC said the corresponding medals, pins and diplomas that were awarded to the athletes must be returned.

Carter did not challenge the results.

Bolt did not immediately respond to the news. In June, after Reuters reported that Carter failed a doping test, Bolt told the news agency it was “heartbreaking,” but added, “if I need to give back my gold medal I’d have to give it back, it’s not a problem for me.”

The IOC has asked the International Association of Athletics Federations, which governs track and field around the world, to modify the results of the relay and to consider “further action within its own competence.”

Trinidad and Tobago, which won the silver medal in the 2008 men’s 4x100m relay, will receive the gold medal. Japan and Brazil are expected to receive the silver and bronze medals, respectively.

The committee also announced Russian athlete Tatiana Lebedeva, who participated in the women’s triple jump and the women’s long jump events in 2008, has been disqualified after testing positive for the steroid dehydrochlormethyltestosterone.