Azeri weightlifter Valentin Hristov was stripped of his 2012 Olympics 56-kg bronze medal on Friday after he was one of three athletes to test positive for banned substances in re-tests conducted by the International Olympic Committee.

The IOC said Hristov's London Games sample tested positive for a prohibited anabolic steroid (oralturinabol) when it was re-analysed.

Anis Ananenka of Belarus, who finished 43rd in the men’s 800m, was also disqualified for the same substance, while fellow Belarussian Alena Matoshka, 25th in the women’s hammer throw, was the third athlete to be disqualified. Her sample tested positive with the steroid oxandrolone.

Previously 48 anti-doping violations were found in more than 500 reanalysis of London Games samples. Mostly were for anabolic steroids.

The IOC stores and regularly re-tests samples from past Olympic Games with methods that did not exist at the time. In an effort to protect clean athletes and the integrity of the competition, the IOC also looks out for substances that were not known at the time.

Samples since the 2004 Athens Olympics have been stored and reanalysed systematically.

More than 110 adverse findings have been found in Olympic Games since 2004 through re-testing of samples.

The reanalysis of 2012 samples, using the latest scientific methods, will continue before the statute of limitations is reached in 2020, the IOC said in November.

Azeri weightlifter Valentin Hristov was stripped of his 2012 Olympics 56-kg bronze medal on Friday after he was one of three athletes to test positive for banned substances in re-tests conducted by the International Olympic Committee.

Azeri weightlifter Valentin Hristov was stripped of his 2012 Olympics 56-kg bronze medal on Friday after he was one of three athletes to test positive for banned substances in re-tests conducted by the International Olympic Committee. The IOC said Hristov's London Games sample tested positive for a prohibited anabolic steroid (oralturinabol) when it was re-analysed. Anis Ananenka of Belarus, who finished 43rd in the men’s 800m, was also disqualified for the same substance, while fellow Belarussian Alena Matoshka, 25th in the women’s hammer throw, was the third athlete to be disqualified. Her sample tested positive with the steroid oxandrolone. Previously 48 anti-doping violations were found in more than 500 reanalysis of London Games samples. Mostly were for anabolic steroids. The IOC stores and regularly re-tests samples from past Olympic Games with methods that did not exist at the time. In an effort to protect clean athletes and the integrity of the competition, the IOC also looks out for substances that were not known at the time. Samples since the 2004 Athens Olympics have been stored and reanalysed systematically. More than 110 adverse findings have been found in Olympic Games since 2004 through re-testing of samples. The reanalysis of 2012 samples, using the latest scientific methods, will continue before the statute of limitations is reached in 2020, the IOC said in November.

IOC sanctions three athletes from London 2012 Games for doping

The &#39;B&#39; samples of two Russian women&#39;s weightlifting medalists from the 2008 Beijing Olympics have come back positive for steroids, Russian state news agency Tass reported yesterday.
Marina Shainova who won silver in the 58-kilogram class and Nadezhda Evstyukhina, bronze medalist in the 75-kg division, were among 10 Russian medalists from Beijing who reportedly tested positive last month in International Olympic Committee (IOC) reanalysis of their stored samples.

Shainova&#39;s coach, Vladimir Shainov, told Tass that the two lifters have now also tested positive for turinabol in their &quot;B&quot; samples.

&quot;The document about a further decision has not come yet, but now of course, they will take away the medal and disqualify. Evstyukhina is in the same situation,&quot; he said.

Once a &quot;B&quot; sample confirms the original positive finding, the IOC can open a formal doping case. The two could be stripped of their medals. Other Russian medalists from the Beijing Games who were reported to have failed retests last month included bronze medalist Anna Chicherova, who won the high jump gold at the London 2012 Games and Yulia Chermoshanskaya who won gold in the 4x100-meter relay.
The IOC stores Olympic doping samples for 10 years, so that it can reanalyze them when new testing methods become available.

Document about a further decision is yet to come, but medals will be taken away from Marina Shainova and Nadezhda Evstyukhina

The 'B' samples of two Russian women's weightlifting medalists from the 2008 Beijing Olympics have come back positive for steroids, Russian state news agency Tass reported yesterday. Marina Shainova who won silver in the 58-kilogram class and Nadezhda Evstyukhina, bronze medalist in the 75-kg division, were among 10 Russian medalists from Beijing who reportedly tested positive last month in International Olympic Committee (IOC) reanalysis of their stored samples. Shainova's coach, Vladimir Shainov, told Tass that the two lifters have now also tested positive for turinabol in their "B" samples. "The document about a further decision has not come yet, but now of course, they will take away the medal and disqualify. Evstyukhina is in the same situation," he said. Once a "B" sample confirms the original positive finding, the IOC can open a formal doping case. The two could be stripped of their medals. Other Russian medalists from the Beijing Games who were reported to have failed retests last month included bronze medalist Anna Chicherova, who won the high jump gold at the London 2012 Games and Yulia Chermoshanskaya who won gold in the 4x100-meter relay. The IOC stores Olympic doping samples for 10 years, so that it can reanalyze them when new testing methods become available.

Two Russian Olympic weightlifting medalists fail doping tests

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IOC sanctions three athletes from London 2012 Games for doping

Two Russian Olympic weightlifting medalists fail doping tests