Three Olympic champions are among 11 weightlifters who face being stripped of their Beijing 2008 medals after failing doping retests.
Mongolian weightlifter Chagnaadorj Usukhbayar is thrown out of Rio Olympics after testing positive for testosterone.
Security forces are called to the weightlifting arena as coaches react furiously after an invalid lift by Iran's Behdad Salimikordasiabi.
Uzbekistan's Ruslan Nurudinov wins the men's -105kg weightlifting gold by 14kg from 2014 Youth Olympics champion Simon Martirosyan.
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Uzbekistan's Ruslan Nurudinov breaks the Olympic record and takes gold with a 237kg clean and jerk in the 105kg weight division.
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