8:20 p.m.

The IAAF says it has banned the only Russian in Olympic track and field from competition and that she is appealing the ruling.

IAAF spokesman Yannis Nikolaou tells The Associated Press that the governing body revoked eligibility for long jumper Darya Klishina based on new information it received last week. Nikolaou would not specify what the new information was.

Klishina, a former European indoor champion, was previously the only one of 68 Russians allowed to compete in the sport amid a massive doping scandal. The IAAF had accepted her application because she is based in the United States. The rest of the Russian team was banned over allegations of a widespread, state-sponsored doping program.

Nikolaou says Klishina has appealed to the Court of Arbitration for Sport and a decision is expected either Sunday or Monday, before the long jump competition begins Tuesday.

8:10 p.m.

The International Olympic Committee says it is disappointed that United States goalkeeper Hope Solo called the victorious Sweden team "a bunch of cowards" after their quarterfinal in the women's soccer.

Solo was angered by Sweden's defensive style as the United States was held 1-1 through extra time before being ousted in a penalty shootout on Friday.

IOC spokesman Mark Adams described Solo's outburst as "disappointing."

However, at an IOC briefing in Rio de Janeiro on Saturday Adams stressed that "people are free to say those things. We wouldn't stop their right to express themselves, within boundaries, obviously."

8 p.m.

Matthias Ginter scored a second-half goal and Germany went on to defeat Portugal 4-0 to advance to the Olympic semifinals.

Ginter was the youngest player on the German team that won the World Cup in Brazil in 2014. Davie Selke and substitute Philipp Max also added second-half goals on Saturday for the Germans.

Germany led 1-0 after Portugal Bruna Varela couldn't reach goalkeeper Serge Gnabry's shot into the far corner in stoppage time following the opening half. It was his sixth goal of the Olympics.

The Germans will play the winner of the late match between hosts Brazil and Colombia on Wednesday.

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8 p.m.

Rio Games organizers say a theft of a "significant sum of money" has taken place at the Olympic athletes village.

Rio 2016 spokesman Mario Andrada said Saturday that "the money has been returned to its rightful owner."

He did not disclose the name of the victim or the perpetrator or the amount of money stolen.

Andrada says security has been "upgraded" and urges "athletes and staff to be vigilant" in a compound that has the capacity to house 18,000 staff and athletes during the games.

7:20 p.m.

Two-time Wimbledon champion Petra Kvitova has won the Olympic bronze medal in women's tennis.

Kvitova beat American Madison Keys 7-5, 2-6, 6-2 on Saturday, running away with the third set after dropping the last four games of the second.

Since winning her second Wimbledon title in 2014, the Czech lefty hasn't been beyond the quarterfinals at a major. In the first three of this year, she didn't even make it past the third round, her ranking falling to 14th.

Keys is a career-best No. 9 in the world, but for the second straight match, the 21-year-old couldn't capitalize on her opportunities against a more experienced opponent. She failed to convert two set points in the first.

Australian Open champ Angelique Kerber, who beat Keys in the semis, plays Puerto Rico's Monica Puig for gold later Saturday.

7 p.m.

They're going to drain what's been dubbed "the swamp" at the Rio Olympics.

The water at the Maria Lenk Aquatics Center has been green-tinged and murky for five days. Officials blame the green water on algae, poor maintenance, heat and more swimmers than expected using the facility. Organizers have insisted the water is safe though some athletes have complained about their eyes being itchy.

On Friday, a planned diving practice session had to be called off to give officials more time to clean the water. It reopened in the early afternoon.

Rio Games spokesman Mario Andrada said on Saturday that "some radical measures are taking place and one of those radical measures is to replace a big part of the water" in the main pool at the venue.

Andrada says the pool water will be drained and refilled beginning Saturday evening.

6:30 p.m.

Germany has three shooting gold medalists in three days after Christian Reitz's win in men's 25-meter rapid fire pistol.

Reitz hit all five shots in the final round to beat France's Jean Quiquampoix, who hit three of the five targets. Reitz joins 3-positions shooter Barbara Engleder and prone shooter Henri Junghaenel in capturing gold for Germany.

The 20-year-old Quiquampoix reached the final round after a three-round shoot-off with China's Li Yuehong. Both shooters hit 27 shots in the finals and eight of 10 in the first two rounds of the shoot-off. Quiquampoix moved on after hitting four to Li's three in the third round.

Defending Olympic gold medalist Leuris Pupo finished fifth after hitting 18 of 25 targets.

World No. 1 Zhang Fusheng of China finished fourth after hitting one target on his sixth series.

5:50 p.m.

Usain Bolt made his grand Olympic entry with an easy victory in his 100-meter heat on Saturday.

Slow out of the blocks but majestic once he hit his stride, he had time to look left four times to see if anyone was creeping up on him. He coasted across the line in 10.07 seconds.

His main rival, Justin Gatlin showed just as much poise — without the showmanship. He shot out of the blocks and only let up at the very end to finish in 10.01.

Others to go through were Nickel Ashmeade and Yohan Blake of Jamaica and American Trayvon Brommell.

Bolt is looking for his third straight title. Gatlin won in 2004.

5:35 p.m.

A Polish weightlifter who won gold at the 2012 Olympics is blaming a tainted supplement for the failed drug test that got him kicked out of the Rio games.

Adrian Zielinski, champion in the 85-kilogram class four years ago, had been due to compete in the 94kg division in Rio on Saturday but is instead back in Poland after testing positive for the banned steroid nandrolone.

The 27-year-old says he has "no idea" how nandrolone entered his body and says "something had to be polluted" among the nutrition supplements he takes, suggesting the Polish Weightlifting Federation could have given him poor-quality items.

Zielinski's younger brother Tomasz, the European weightlifting champion at 94kg, had already been sent home from Rio after testing positive for a nandrolone byproduct.

5:10 p.m.

A group of 30 people protesting against the Olympics were detained Friday following clashes with police.

Rio state security officials said in a statement Saturday that the protesters were wielding long planks of wood and throwing rocks at police as they tried to march toward the Olympic stadium, where track and field events are being held.

Cell phone videos of the disturbances show police firing tear gas and yelling at the protesters, some of whom were masked and forced to flee on foot.

Left-wing critics of government corruption and hefty spending on the Olympics at a time of deep recession, money that they say is badly needed to fund schools and hospitals, have held several small protests in the week since South America's first games have begun. None have caused major disturbances to the competition themselves.

5:05 p.m.

Christoph Harting of Germany took the gold medal in the discus throw on his last attempt to make sure the Olympic title stays in the family. His brother, defending champion Robert, failed to make the final.

Harting threw 68.37 meters for a personal best on his sixth attempt, overtaking world champion Piotr Malachowski of Poland, who had been in the lead with 67.55.

4:55 p.m.

Moments after the United States took its world record, the British women's pursuit team snatched it right back to set up a showdown for the gold medal on Saturday night.

The U.S. beat Australia in its semifinal in the morning session at the Olympic velodrome in 4 minutes, 12.282 seconds. Britain proceeded to clock 4:12.152 to beat Canada in its semifinal.

Britain is the reigning Olympic gold medalist, beating the U.S. in the finals at the London Games, though the Americans are the reigning world champions after winning the title in March.

The women's keirin will also be decided Saturday night. Among the favorites are Anna Meares of Australia, Wai Sze Lee of Hong Kong and Rebecca James of Britain.

4:40 p.m.

Britain has won the men's eight, clinching its third rowing gold in the final race of the Olympic regatta.

Defending Olympic champion Germany got the silver medal and Netherlands took bronze.

The U.S. boat ended in fourth place.

4:25 p.m.

The United States has won its third consecutive Olympic gold medal in the women's eight, beating Britain and Romania on the final day of the Rio regatta.

The U.S. has dominated the event since 2006 and now has 11 straight world and Olympic titles, an outstanding dynasty in team sports.

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4:20 p.m.

Olympic organizers say a controlled explosion was carried out on a package found in the International Broadcast Center in Rio de Janeiro.

Rio 2016 spokesman Mario Andrada says the "building did not need to be evacuated" early Saturday after the bomb squad was deployed at the Olympic Park.

Andrada says "after 30 minutes a controlled explosion was performed ... no explosives were found."

4:05 p.m.

Kim Brennan of Australia has won the gold medal in the women's single sculls, with Genevra Stone picking up the silver - the United States' first rowing medal in Rio.

Duan Jingli of China finished third.

Brennan got a dismal start to the Olympics ending up in third place in her first heat in choppy waters behind rowers from Mexico and Zimbabwe. But she picked up the pace as the weather calmed down.

In the final Brennan built up a monster lead right from the start and held on though Stone came closer in the final 100 meters.

4:10 p.m.

Etenesh Diro ended up on one bare foot midway through her steeplechase qualifier and suddenly had thousands of fans at the Olympic Stadium cheering her on to qualify.

Diro was involved in a tangle in the pack and lost her shoe. After several furtive attempts, she threw it away onto the field. She took a couple of steps and stopped again to throw away her sock before starting a furious chase.

She caught up some of the runners but was still outside the automatic qualifiers when she crossed the line and fell to the track in tears, holding her bare foot. Meanwhile many in the crowd rose to their feet to applaud her.

Diro finished fifth in the London Games four years ago and again at the world championships one year later.

3:55 p.m.

Olympic champion Mahe Drysdale of New Zealand has repeated his gold in the men's single sculls in a dramatic photo finish with Croatia's Martin Damir.

Drysdale and Damir both crossed the line in 6 minutes, 41.34 seconds. But officials called the race for Drysdale after studying a photo of the finish.

Ondrej Synek of Czech Republic got the bronze.

Damir was quickest out of the blocks but Drysdale caught up and was ahead at 1,500 meters. But Damir came back in the final stretch and the boats were side by side at the finish line.

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11:50 a.m.

There are 22 golds to be won on Day 8 of the Rio Games in 13 different sports.

Competitions wrap up Saturday in swimming and rowing - but they are just heating up in track and field, which will award five golds: for the women's 100 meter sprint and the heptathlon, and the men's 10,000 meters, discus and long jump.

In the pool, Saturday could be Michael Phelps's last time in an Olympic competition if he swims in the 4x100 meter medley relay. Simone Manuel is in the women's 50 free finals and likely for the women's 4x100 medley relay. Medals also will be awarded in the men's 1500 meter freestyle.

On the water, the smallest sculls (singles) and the largest (eights) are fighting for gold for both the men and the women.

On the tennis court, Germany's Angelique Kerber faces Monica Puig, who is looking for Puerto Rico's first gold in any Olympic sport.

Other medals will be awarded in fencing, track cycling, boxing, shooting, trampoline and weightlifting

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10:15 a.m.

A potential Latin American grudge match is on tap at the Rio Olympics as Brazil takes on Colombia in the men's soccer quarterfinals.

The Brazilian men, booed by fans and squeaking by so far in the Olympic tournament, could get a chance to recapture their nation's adoration in the match Saturday. There's not too much warmth between the two sides since the 2014 World Cup, where Colombia's Juan Camillo Zuniga kneed Brazilian star striker Neymar, fracturing his back.

In other men's soccer matches, Portugal takes on Germany, Nigeria goes up against Denmark and Korea faces Honduras.

The Brazilian women, led by star Marta, are already in the Olympic quarterfinals after beating Australia on penalty kicks Friday night. Sweden also beat the U.S. women on penalty kicks, sending the favored U.S. team home without an Olympic medal for the first time.

10:25 a.m.

It's the final day of swimming at the Rio Olympics and four gold medals are up for grabs.

Saturday could be Michael Phelps's last time in an Olympic competition. While the American team is not yet set, he could be swimming in the men's 4x100 meter medley relay final. On Friday, he was upset in the 100 fly, taking the silver behind Joseph Schooling of Singapore.

Simone Manuel, who became the first African-American woman to win a gold medal when she set an American and Olympic record in the 100 free on Thursday, is in the women's 50 free finals Saturday. She is also likely to compete in the women's 4x100 medley relay.

Medals also will be awarded in the men's 1500 meter freestyle but defending champion Sun Yang of China failed to qualify.

10:05 a.m.

At least seven sprinters are in the mix to be crowned the fastest woman in the world as the 100 meter final takes place at Rio's Olympic Stadium.

Jamaican Shelly-Ann Fraser-Pryce, the two-time defending Olympic champion, had the fastest time in qualifiers Friday night.

Others to watch include Elaine Thompson of Jamaica, Murielle Ahoure of the Ivory Coast, Dafne Schippers of the Netherlands and Americans English Gardner, Tianna Bartoletta and Tori Bowie.

The fastest man in the world — Usain Bolt, the two-time defending champion — also appears on the Rio track for the first time Saturday for preliminary heats.

The men's 100 meter finals are on Sunday, and Bolt has told his parents he's ready despite a sore hamstring. American Justin Gatlin is considered the best threat to stop him.

8:45 a.m.

'For the first time since 1968' — how cool does that sound?

Katie Ledecky capped off one of the greatest performances in Olympic history on Friday night, winning her fourth gold medal and posting her second world record, shattering her own mark in the 800-meter freestyle.

The 19-year-old American says "I just wanted to lay it all out there."

Ledecky and Debbie Meyer are now the only female swimmers to sweep the three longest freestyle races. Meyer took the 200, 400 and 800 meter free at the Mexico City Olympics in 1968.

"I try not to think about the history much," Ledecky said. "But joining Debbie in that history is incredible."

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8:15 a.m.

Russia's Olympic team has complained to Rio organizers after flags hanging in its Olympic village accommodation were allegedly desecrated.

Synchronized swimmer Alexandra Patskevich told Russian newspaper Komsomolskaya Pravda that flags hanging inside Russia's building were "torn down and tied in knots" on the floor on two occasions.

Her comments sparked protests on Russian social media at what some suggested was a deliberate attempt to provoke Russia by people hostile to its team's presence at the games following reports of wide-scale, state-sponsored doping in Russia.

The head of the Russian delegation, Igor Kazikov, says in video posted online that he is investigating and has raised the issue with the Rio organizing committee.

Kazikov says only one flag was involved and perhaps it was "the fault of a cleaner" rather than an anti-Russian conspiracy.