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Rio 2016 Olympics: Day 1 as it happened

(CNN) After Friday's showstopping opening ceremony, the Rio 2016 Olympics began with action and drama.

Day one's highlights included: (Mobile app users can best follow the blog here)

• Aquatic grudge match and records smashed in the pool

• French gymnast suffers horror injury

• U.S. teen Ginny Thrasher wins first gold of Games in women's 10-meter air rifle

Recap all the action below and at our Olympics hub:

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