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Phelps, Biles add to US gold medal count
US swimmer Michael Phelps wins his 22nd gold medal as gymnastics star Simone Biles wins her second. CNN's Christina Macfarlane has the highlights.
01:43
- Source:
CNN
Simone Biles: US gymnastics superstar
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Rio 2016: Moments of the Games -- from track to pool
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Simone Biles wins all-around gymnastics gold in Rio