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RIO DE JANEIRO, BRAZIL - AUGUST 11:  Michael Phelps of the United States celebrates winning the Men's 200m Individual Medley Final on Day 6 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 11, 2016 in Rio de Janeiro, Brazil.  (Photo by Al Bello/Getty Images)
RIO DE JANEIRO, BRAZIL - AUGUST 11:  Michael Phelps of the United States celebrates winning the Men's 200m Individual Medley Final on Day 6 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 11, 2016 in Rio de Janeiro, Brazil.  (Photo by Al Bello/Getty Images)

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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.

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.