RIO DE JANEIRO (AP) — The Latest on the Olympics in Rio de Janeiro (all times local):

11:35 p.m.

MEDAL ALERT-WORLD RECORD: Australia sets a world record to capture the gold medal in the women’s 4×100-meter freestyle relay at the Rio Olympics. The United States takes the silver medal, while the bronze goes to Canada.

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11:25 p.m.

Sarah Sjostrom of the Sweden is the top qualifier in the women’s 100-meter butterfly.

Sjostrom posted a time of 55.84 seconds in the second semifinal heat Saturday night, just off her world record of 55.64. Emma McKeon of Australia was next at 56.81, followed by Japan’s Rikako Ikee (57.05) and Dana Vollmer (57.06) of the United States.

Vollmer is the defending Olympic champion and coming back after having her first child last year.

The other American in the field, Kelsi Worrell, failed to qualify for Sunday night’s final. She was ninth at 57.54.

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11:25 p.m.

Amber Hearn scored in the first half and New Zealand hung on to defeat Colombia 1-0 on Saturday night in Belo Horizonte.

Known as the Ferns, New Zealand made it to the quarterfinals at the London Games. The team dropped its group-stage opener to the United States on Wednesday.

The victory was costly because Abby Erceg was shown a red card late in the match, meaning that she won’t be able to play on Tuesday when New Zealand faces France in Manaus.

Colombia dropped to 0-2 in the group stage, and faces a tough challenge on Tuesday against the top-ranked United States.

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11:10 p.m.

Katinka Hosszu finally claimed her first Olympic medal — and set a world record for good measure.

The Hungarian star, known as “The Iron Lady” for her grueling schedule, crushed the former mark in the women’s 400-meter individual medley Saturday night at the Rio Games. She led all the way and touched in 4 minutes, 26.36 seconds, easily eclipsing the record of 4:28.43 held by China’s Ye Shiwen.

Hosszu had time to turn toward the scoreboard and savor her triumph before Maya DiRado of the United States touched in 4:31.15 to take the silver medal. Mireia Belmonte Garcia of Spain claimed the bronze in 4:32.39.

This triumph was especially sweet for Hosszu, who had captured nine medals — including five golds — at the world championships but never won an Olympic medal.

Now, she has the best one of all.

Elizabeth Beisel of the U.S., the silver medalist at the 2012 London Games, finished sixth.

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10:55 p.m.

MEDAL ALERT-WORLD RECORD: Katinka Hosszu of Hungary sets a world record in the women’s 400-meter individual medley to win the gold medal at the Rio Olympics. Maya DiRado of the United States claims the silver and Mireia Belmonte Garcia of Spain takes the bronze.

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10:45 p.m.

Australia’s Mack Horton has won the gold medal in the men’s 400-meter freestyle at the Rio Olympics, holding off rival Sun Yang of China.

What happened after the race was even more dramatic.

Horton grabbed the lead for good on the next-to-last lap and held off the hard-charging Sun, the defending Olympic champion. But the bad blood between the two was on display for all to see as Horton celebrated after the race without even acknowledging the runner-up.

In fact, they climbed out of the pool side by side without so much as a passing glance.

After the prelims of the men’s 400 freestyle, Horton was asked about a reported incident between the two at the practice pool earlier in the week. The Aussie said Sun “splashed me to say hello, and I didn’t respond because I don’t have time for drug cheats.”

Sun served a three-month suspension for using a banned stimulant in 2014.

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10:35 p.m.

MEDAL ALERT: Australia’s Mack Horton wins gold in the men’s 400-meter freestyle. China’s Sun Yang claims the silver and Italy’s Gabriele Detti takes the bronze.

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10:30 p.m.

Venus Williams faded as her opening match at her record fifth Olympics dragged past 3 hours and she lost 4-6, 6-3, 7-6 (5) to Kirsten Flipkens of Belgium.

The 36-year-old American — owner of four gold medals and seven Grand Slam titles — labored at times and even showed frustration by shouting “Ridiculous!” after dropping one point Saturday night.

With U.S. Secretary of State John Kerry watching, the fifth-seeded Williams was broken while serving for the victory at 5-3. She was two points from the win four times but could not close out Flipkens, who is ranked 62nd and only once reached the semifinals of a major tournament.

When the match ended, Flipkens reacted as if she’d won gold, even getting down on the ground to kiss the white five-ring Olympic logo on the green court.

Williams is the first tennis player to participate in singles at five Summer Games.

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10:30 p.m.

Kosuke Hagino of Japan has ended the United States’ dominance in the men’s 400-meter individual medley, holding off American Chase Kalisz to win the gold medal at the Rio Olympics.

Hagino and Japanese teammate Daiya Seto raced away from the field on the butterfly and backstroke legs before Kalisz began to close the gap. The American surged past Seto on the breaststroke and set his sights on Hagino.

But the Japanese swimmer, who won bronze in this event at the 2012 London Games, held on to win in 4 minutes, 6.05 seconds. Kalisz settled for the silver in 4:06.75, while Seto grabbed the bronze in 4:09.71.

Hagino became the first non-American to win the 400 IM since Tamas Darnyi of Hungary at the 1992 Barcelona Games.

Ryan Lochte was the defending Olympic champion, but he finished third at the U.S. trials and didn’t event qualify. Michael Phelps was the champion in 2004 and 2008, but he’s dropped the 400 IM from his program. Tom Dolan was a back-to-back champion in 1996 and 2000.

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10:20 p.m

UPSET ALERT: 5th-ranked Venus Williams loses opening match at record fifth Olympics to 62nd-ranked Kirsten Flipkens of Belgium.

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10:15 p.m.

MEDAL ALERT: Kosuke Hagino of Japan wins the men’s 400-meter individual medley at the Rio Olympics. Chase Kalisz of the United States takes the silver and Japan’s Daiya Seto claims the bronze.

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10:05 p.m.

The chaotic men’s Olympic road race left Italian star Vincenzo Nibali with a broken collarbone and Australia’s Richie Porte, a favorite for this week’s time trial, with a fractured shoulder blade.

Nibali crashed along with Colombia’s Sergio Henao while leading on the final harrowing descent of the 236-kilometer race, allowing Greg Van Avermaet of Belgium to claim the gold medal.

Nibali’s coach, Davide Cassani, said on Twitter the Giro d’Italia winner broke his collarbone.

Porte may have had an even tougher day, dealing with mechanical issues even before he crashed on the same tricky descent. Cycling Australia confirmed Porte was taken to Vitoria Hospital in Barra and found to have a broken bone that will keep him out of Wednesday’s time trial.

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10:05 p.m.

Gu Yasha and Tan Ruyin each scored and China defeated South Africa 2-0 in a group-stage match Saturday night in Rio de Janeiro.

It was China’s first victory in the Olympics since they were hosts in 2008. The No. 12-ranked Steel Roses did not play in London.

South Africa, known as Banyana Banyana, dropped to 0-2 at the Rio Games and the team’s chances of making the knockout stage were slim.

China fell 3-0 to hosts Brazil in its opener.

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9:40 p.m.

It’s party time at the Olympic pool.

Samba dancers in feathers and sequins are tearing it up on deck accompanied by drummers ahead of the first late-night finals session of the Rio Games on Saturday.

Several swimmers and coaches are capturing the entertainment on their cellphones while swimmers warm up in the pool.

Rowdy music from the Rolling Stones and AC/DC has been blasting too, ensuring everyone is awake for the first final that begins at 10 p.m.

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9:30 p.m.

Sopita Tanasan of Thailand won gold in her Olympic debut with an easy victory in the women’s 48-kilogram category Saturday in the first weightlifting event at the Rio Games.

Tanasan snatched 92 kilograms and lifted 108 kilograms in the clean and jerk for a total of 200 kilograms. It was her first time competing on the world level at that weight class.

On her first lift in clean and jerk, Tanasan easily succeeded at 106 kilos to take the lead. She lifted 108 kilos on her second attempt, but failed at 110 kilos on her final try.

In a last-ditch bid to snatch the gold, Sri Wahuni Agustiani of Indonesia twice tried to lift 115 kilos to overtake Tanasan. She failed on the first try and Tanasan celebrated by hugging her coaches in the green room.

Agustiani was able to lift the bar on her second attempt and her coaches screamed in celebration, but she couldn’t jerk the weight.

Agustiani won silver and Hiromi Miyake took bronze.

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9:20 p.m.

Katie Ledecky will be anchoring the United States in the women’s 4×100-meter freestyle relay.

Ledecky already swam in the afternoon preliminaries Saturday, leading the Americans to the second-fastest time behind the favored Australians.

She’s the only holdover from the morning team. The U.S. rested its top two 100 free swimmers, Abbey Weitzeil and Simone Manuel, and they’re also adding Dana Vollmer, who’ll be doing double duty in the late-night session. She’s also competing in the semifinals of the 100 butterfly, but we’ll have more than an hour to rest up between races.

Manuel leads off for the Americans, followed by Weitzeil, Vollmer and Ledecky. They’ll be trying to give the U.S. its first gold medal in the event since the 1996 Atlanta Games.

Defending Olympic champion Australia is a big favorite. Emma McKeon and Brittany Elmsie will take the top two legs, followed by sisters Bronte and Cate Campbell.

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9:20 p.m.

Saskia Bartusiak scored in the 88th minute to pull Germany into a 2-all draw with Australia in a women’s soccer group-stage match at Corinthian Stadium in Sao Paulo on Saturday.

Sam Kerr scored for Australia in the sixth minute and Caitlin Ford added another in the 45th, but Germany closed the gap in first-half stoppage time with Sara Daebritz’s goal.

Australia is ranked No. 5 in the world. Known as the Matildas, they had a breakthrough last summer when they became the first Austrailain team — male or female — to win a World Cup knockout round match.

Germany, ranked No. 2 in the world, defeated Zimbabwe 6-1 in the Olympic tournament opener. Australia fell to Canada 2-0 to open the group stage.

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9 p.m.

The U.S. Olympic men’s basketball team began its charge toward a third straight gold medal with a 119-62 rout of China on Saturday.

Kevin Durant scored 25 points and Demarcus Cousins added 17 for the win.

Durant and Carmelo Anthony are the only two returning players from the 2012 squad that won it all in London, and the pair of NBA All-Stars showed their young teammates how the American team rolls at the Olympics. Despite not having big-name players like LeBron James, Stephen Curry and Russell Westbrook, the U.S. is an overwhelming favorite to win another title.

Durant made three 3-pointers in the first half as the U.S. opened a 29-point halftime lead and coasted.

The Americans have won 69 straight games, and improved to 81-1 under coach Mike Krzyzewski, who revived the U.S. program and plans to step down following these games.

The U.S. plays Venezuela on Monday.

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8:35 p.m.

Rio’s downtown cauldron has become selfie central. A day after it was lit to formally open the games, thousands of Rio’s residents have been taking turns snapping images of themselves in front of the Olympic flame.

Residents such as Thiago Rodrigues say that even some once opposed to hosting the games are now happy they are taking place in their city.

The flame was moved to its new location on Olympic Boulevard at the end of the opening ceremony Friday night in Maracana stadium. The newly-renovated precinct on Guanabara Bay features big screens and live entertainment during the games.

It is also home to architect Santiago Calatrava’s iconic Museu do Amanha, or Museum of Tomorrow. Its soaring silhouette provided the perfect backdrop for more sunset selfies.