"Simone has withdrawn from the event final for floor and will make a decision on beam later this week," USA Gymnastics said. "Either way, we're all behind you, Simone."
It's been an astonishingly successful Games for the 24-year-old from Florida. He added two gold medals to his haul from the Tokyo Olympics, departing the Games with five golds.
Ten of Nigeria's 23 Olympic athletes were ruled ineligible after officials determined they had not received the required number of drug tests in the months leading up to the Tokyo Games.
Serbia's Djokovic loses to Spain's Pablo Carreño Busta, ending his chances of winning a bronze in Tokyo. "I gave it all, whatever I had left in the tank, which was not so much," Djokovic says.
Elaine Thompson-Herah of Jamaica has won the fastest women's track race at the Tokyo Games in Olympic record time. She was the defending gold medalist in this event. Jamaica swept the final.
After winning her second gold medal, swimmer Kaylee McKeown invited Emily Seebohm to share the top step of the podium. "It was quite emotional. She had some tears in her eyes, so did I," McKeown says.
The field support robot will be fetching all sorts of objects during the weekend's track and field events. It's one of several robots designed to make the games more user-friendly and efficient.
U.S. swimmer Katie Ledecky has won Olympic gold again in the 800-meter freestyle. She repeated her gold medal swim at the 2012 London and 2016 Rio de Janeiro Olympics to win at the Tokyo Olympics.
The 24-year-old led for the entire two-lap sprint and clocked it in 49.45 seconds. After winning, he celebrated with his closest competitor, Kristof Milak from Hungary.
Some of the athletes who tested positive for the coronavirus were first-time Olympians. They all must wait in a "quarantine hotel" for up to 10 days and watch their teammates compete without them.
The defending gold medalist crashed during a semifinal heat on Friday. He suffered a brain hemorrhage and a broken rib, and spent the night in intensive care.
"After further consultation with medical staff, Simone Biles has decided to withdraw from the event finals for vault and the uneven bars," USA Gymnastics said.
Neither swimmers Ryan Murphy nor Luke Greenbank directly accused Evgeny Rylov of doping. But both said it was frustrating not to know if any of their competitors had a drug-induced advantage.
