Bolt is the first athlete in history to claim 3 consecutive Olympic gold medals in the 100, 200 and 4X100m relay events.
The 30-year-old says she wanted to leave her sport on a high.
Olympic medallist 'deeply sorry' for video as British Gymnastics threatens expulsion.
The Serb has struggled for form in recent times, suffering early exits in both 2016 Wimbledon and Olympics.
Investigation follows former Team Sky cyclist Tiernan-Locke's comments that painkillers were 'freely available'.
Recent Olympic boxing tournament was marred by several controversial decisions.
International NGO alleges police brutality and efforts to 'clean up' streets of poor children.
The royal received the Olympic medalists in Madrid with husband King Felipe VI.
Ireland's Michael Conlan and Great Britain's Anthony Fowler also sanctioned for betting.
Serena Williams will most likely miss the rest of 2016 after taking time off from tennis.
The 33-year-old is a long-time Gunners supporter.
The Olympic gold medal cyclists married in a private ceremony in Cheshire.
Rome's withdrawal as a candidate for the 2024 Games highlights risks attached to being host city.
The 48-year-old was going down a steep hill during the men's C4/C5 race when he crashed.
The 38-year-old is now just two golds short of GB's most decorated Paralympian Mike Kenny.
Hannah Cockroft secured her third gold of the summer on day nine.
Argentine earned revenge for his recent defeat by Murray at Rio Olympics.
Anne Dickens, Natasha Baker and Emma Wiggs also added to the gold haul.
Dame Sarah Storey began another gold rush on day seven.
Latvia's Polina Rozkova competed at the Rio 2016 games wearing a custom, lightweight 3D printed support.
Libby Clegg, Stephanie Millward and Matt Wylie take GB to 120 medals with five days of competition left.
Britain has now won 63 medals in total, 28 of which are golds.