It was a quiet day of action for Team Ireland that was completely overshadowed by events away from competition.
Pat Hickey stepped aside as president of the Olympic Council of Ireland - and from all his Olympic roles - after being arrested in Rio as part of the investigation into alleged illegal ticket sales, with William O'Brien stepping in as acting president.
It's a controversy that will run and run, and followed on from the Michael Conlan's painful defeat to Russian Vladamir Nikitin.
- Olympic boxing's governing body AIBA announced it has expelled a "handful" of referees and judges involved in controversial decisions during the Rio Games.
- Ireland's women golfers have endured a tough opening day as Leona Maguire shot three over par after the first round, with her teammate Stephanie Meadow three shots behind on +6.
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Ciara Everard failed to qualify from the heats of the women's 800m.
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Ireland's sailing hero Annalise Murphy plans to take a well-earned break before deciding if she'll go for the Tokyo Games in 2020.
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It took just 14 seconds for Neymar to send Brazil on their way to a fourth Olympic final and within sight of an elusive gold medal with a 6-0 trouncing of Honduras.
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Kenya's Conseslus Kipruto stormed to a dominant victory in the men's 3,000m steeplechase final.
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Jamaica's Elaine Thompson completed a memorable sprint double on after storming to victory in the women's 200m final.
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Usain Bolt jogged and joked his way to his fastest time this year to cruise into the 200m final.
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Brianna Rollins led home a USA clean sweep in the 100m hurdles.
