10:15 p.m.
Rafaela Silva has won Brazil's first gold medal of the Rio de Janeiro Olympics. Silva won judo's 57-kilogram division.
9:20 p.m.
World series champion Australia and longtime women's rugby front-runner New Zealand will play off for the first rugby sevens gold ever awarded at the Olympics after convincing semifinal wins.
Australia beat Canada 17-5 on Monday before New Zealand scored five tries in a 25-7 win over Britain, with Portia Woodman crossing for her second hat-trick of the tournament and the British reduced to five players for two minutes.
Emilee Cherry scored twice in the first half for Australia and Chloe Dalton made it 17-0 when she dived over in the left corner before Charity Williams scored a consolation try for Canada.
New Zealand's world series-leading tryscorer Woodman beat two defenders to score in the second minute. Britain hit back after a turnover to take the lead at 7-5 but then conceded a try and lost two players on consecutive penalties just before halftime.
9:15 p.m.
Croatia's Josip Glasnovic has captured gold in men's trap at the Rio Olympics after defeating Italy's Giovanni Pellielo in final match that went to a shoot-off.
Glasnovic and Pellielo each hit 13 of 15 targets in the gold medal match and were on the mark with their first three in the shoot-off.
Shooting first, Pellielo missed on his fourth shot. Glasnovic calmly hit his fourth and triumphantly raised his gun in the air as pink dust from the target still blew in the gusting wind.
The loss in the gold medal match adds to Pellielo's near misses. The world record holder has a pair of silver medals and a bronze in trap, but no gold.
Great Britain's Edward Ling hit 13 of 15 targets to beat David Kostelecky of Czech Republic in the bronze medal match for his first medal in three Olympics.
8:20 p.m.
Rio de Janeiro police say Namibia's flag bearer has been arrested for sexual assault, four days after another Olympic boxer was accused of sexually attacking two housekeepers in the Olympic Village.
Authorities say a housekeeper told police she was assaulted by 22-year-old Jonas Junius, a boxer who competes in light-middleweight division. Junius was set to fight with French boxer Hassan Amzile on Thursday.
Calls and emails to Namibia's embassy seeking comment were not answered.
Brazilian law classifies as rape any sexual-related assault. They are punished with 6 to 10 years of prison.
7:50 p.m.
Katinka Hosszu is competing in her third swimming event in as many days at the Rio Olympics.
The Hungarian nicknamed "The Iron Lady" for her ambitious schedule topped the preliminary heats of the 200-meter individual medley on Monday. Her time of 2 minutes, 7.45 seconds led 15 other women into the semifinals later at night.
Hosszu opened the eight-day swimming competition by winning the 400 individual medley in a world-record time. On Day 2, she advanced in the 100 backstroke with the second-fastest time in the semifinals.
She will be busy Monday night, competing in the 100 back final at 10:30 p.m. and returning 66 minutes later for the 200 IM semifinals.
7:05 p.m.
Swimmer Katie Ledecky's bid to sweep the longer freestyle events at the Rio Games is on track.
A night after winning the 400-meter free in world-record time, Ledecky has posted the top qualifying time in the 200 free preliminaries.
The American teenager won her four-lap heat in 1 minute, 55.01 seconds on Monday.
Emma McKeon of Australia was second quickest in 1:55.80.
Missy Franklin, the female swim star of the 2012 London Games, advanced to the late-night semifinals in 12th place with a time of 1:57.12. It was Franklin's first race in the pool on the third day of swimming.
Also advancing was Italian star Federica Pellegrini.
7 p.m.
Olympics organizers are urging competitors to cut the trash talk.
American swimmer Lilly King raised the specter of Russian rival Yuliya Efimova's doping ban after racing at the Rio Games, saying: "I'm here to compete clean."
It came after Efimova waved a No. 1 finger after her semifinal in the 100-meter breaststroke.
Efimova is being allowed to compete in Rio after a 16-month suspension was placed on hold while world anti-doping officials conduct further studies on the drug.
International Olympic Committee spokesman Mark Adams says "people should be free to compete in tranquility and not be addressed by others. We would encourage people to respect their fellow competitors."
A smattering of boos greeted Efimova after she won her preliminary heat.
At an IOC briefing, Adams said: "Brazilian fans seem to be pretty egalitarian. They seem to boo athletes from many countries. It's quite difficult to work out why they might be booing one athlete and not another."
6:15 p.m.
Two of Russia's top track and field athletes have failed in a bid to have their ban from the Olympics put on hold by a Swiss court.
Sergei Shubenkov, the world 110-meter hurdles champion, tells Russian media he and two-time Olympic pole vault gold medalist Yelena Isinbayeva applied to Swiss federal court to freeze the implementation of a ruling last month from the Court of Arbitration for Sport which upheld Russia's ban from the Olympic track meet.
Shubenkov tells Russia's state Tass news agency that this refusal "is just the first step" and that it "doesn't in any way stop us from further actions," but doesn't say what he might do next.
Russia was banned from international track and field, including the Olympics, in November over widespread doping.
5.45pm
Italy's Niccolo Campriani has earned gold in men's 10-meter air rifle at the Rio Olympics after taking silver in London four years ago.
Campriani, who also won gold in 3-position rifle in London, had 206.1 points to finish 1.5 ahead of silver medalist Serhiy Kulish of Ukraine.
Russia's Vladimir Maslennikov just missed the final match, ending up 0.2 points behind Kulish. His bronze made Russia the 13th nation to have 400 overall Olympic medals.
Campriani took advantage after two of the world's top shooters failed to make it out of qualifying.
World No. 1 Cao Yifei of China had a poor final shot of qualifying to miss the final eight by one spot. Romania's Alin George Moldoveanu was nearly three points behind the lowest qualifying score and finished 19th.
4:30 p.m.
The Institute of National Anti-Doping Organizations is applauding the decision by Paralympics officials to ban the entire Russian delegation.
NADO chair Doug MacQuarrie said Paralympic officials, "rightly put principles before politics in making this most difficult decision."
Russia is planning on appealing the ban, which was announced Sunday.
4:25 p.m.
Novak Djokovic's first-round Olympic exit has left Serbia in tears, not only the No. 1 tennis player.
Serbia's Prime Minister Aleksandar Vucic offered on Monday a few words of consolation: "Thank you Novak!"
Djokovic shook his head and placed his palm over welling eyes on his way to the locker room after his 7-6 (4), 7-6 (2) setback Sunday night against Juan Martin del Potro of Argentina.
Vucic says Djokovic's tears "show how much he loves his country."
Vucic says, "I thank him for everything he has done for Serbia."
Djokovic can still win a medal for Serbia at the Olympics in Brazil as he plays doubles with Nenad Zimonjic.
Representing Serbia means a lot to Djokovic, who led his country to a Davis Cup title and carried its flag at the opening ceremony of the 2012 Games. He won bronze at the 2008 Beijing Olympics.
4.10pm
Fencer Ibtihaj Muhammad made history Monday by becoming the first American to compete in the Olympics wearing a hijab.
Muhammad, sporting a plain black Muslim head scarf under a red, white and blue mask, was a winner in her opening bout in the women's sabre tournament, beating Olena Kravatska of Ukraine 15-13.
Muhammad, ranked eighth in the world in her weapon, will next face ninth-ranked Cecilia Berder of France.
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4:10 p.m.
The first golf shot in 112 years at the Olympics will be struck by the lone Brazilian player in the men's field.
Adilson da Silva was selected to tee off first Thursday at the Olympic Golf Course, and the International Golf Federation did not stop there. Also in the opening threesome is Graham DeLaet of Canada and Byeong Hun An of South Korea.
IGF President Peter Dawson said DeLaet was chosen for the first group because Canada is the defending champion. George Lyon won the gold medal in St. Louis is 1904 when golf was last part of the Olympic program.
An has the strongest Olympic ties. His parents won medals in table tennis at the Seoul Games in 1988.
4 a.m.
This time they stayed in the boat.
Serbian rowers Milos Vasic and Nenad Bedik, who capsized in their first race in Rio, are through to the semifinals in the men's pair after placing second in the repechage, a last-chance qualifying heat, on Monday.
Vasic and Bedik ended up in the water on Saturday when their boat overturned in choppy waters on the Rodrigo de Freitas Lagoon.
Conditions were much calmer on Monday and the Serbs crossed the finish line without incident behind Netherlands pair Roel Braas and Mitchel Steenman.
3:30 p.m.
Australian cyclist Richie Porte is headed home after breaking his right scapula during a crash in the Olympic road race, two days before he was supposed to race for gold in the time trial.
Porte's trade team BMC Racing said Monday the rider was examined at Vitoria Hospital in Barra and was returning home to recover. Doctors are optimistic the bone will heal without surgery.
Porte is one of the world's best in the time trial.
The weekend road races were marked by several horrific crashes, including one that left Dutch cyclist Annemiek van Vleuten with a concussion and three fractures to her spine.
2:10 p.m.
The U.S. women's eight has entered the Rio Olympics rowing competition in dominating style, winning its heat several boat lengths ahead of the Netherlands.
The double Olympic champions won the race Monday in 6 minutes, 6.34 seconds, a whooping eight seconds ahead of the Dutch boat. Romania was third in 6:16.24.
The U.S. has won 10 consecutive world and Olympic titles in the women's eight since 2006, a dynasty that is unmatched in most team sports.
The rowing competition resumed in calm and overcast conditions after races were canceled Sunday due to strong winds.
1:30 p.m.
The Philippines is celebrating the silver medal won by weightlifter Hidilyn Diaz at the Rio Olympics — a happy break to the Southeast Asian nation's 20-year medal drought.
Diaz won the women's 53kg weightlifting competition on Sunday.
President Rodrigo Duterte sent his congratulations to Diaz, an Air Force soldier, saying she brought honor to the country. Vice President Leni Robredo says Diaz serves as an inspiration to every Filipino and a reminder that no challenge is too heavy for a Filipino woman to overcome.
The three-time Olympian's medal is the Philippines' first since boxer Mansueto "Onyok" Velasco won silver at the 1996 Atlanta Olympics.
12 p.m.
Finger-waving is usually reserved for mothers, grandmothers and Dikembe Mutombo, but an American swimmer's finger-waving over a Russian swimmer's drug cheating is heating up the Olympic Aquatics Stadium.
United States breaststroker Lilly King on Sunday aimed her comments and finger wag at Russia's Yulia Efimova, the world champion who was approved to compete at the Rio Olympics only Saturday after a previous ban for doping.
When Efimova waved a finger after her semifinal, King leaned back and gave her own version toward Efimova's face on a TV monitor. King then qualified fastest for the eight-woman final in 1 minute, 5.70 seconds, just ahead of Efimova's time of 1:05.72.
Lilly told reporters "if that's what she feels she needs to be able to compete, whatever, that's her deal ... I'm here to compete clean for the U.S."
She and King square off in the 100-meter breaststroke final Monday night, swimming next to each other.
World swimming body FINA has not explained why it restored Russian swimmers with previous doping ties to the Rio Olympics at the last minute.
11 a.m.
National officials for Australia and China are jumping into the fray as a feud between swimmers Mack Horton (centre) and Sun Yang (right) continues to boil.
The Chinese Swimming Association on Monday asked Horton to apologize for his "inappropriate words" after he labeled Sun a "drug cheat" - a reference to Sun's three-month 2014 suspension over banned heart medication.
Australia's Olympic Committee, hours later, shot back in Horton's defense, saying he was speaking out in support of clean athletes, and wished him luck.
Horton, 20, made the dig at Sun while the two attended a press conference on Sunday after Horton unseated the Chinese defending champion in the 400-meter freestyle.
The swimming feud has escalated the war-of-words between Australian and Chinese national media, which have been squabbling over geopolitical tensions.
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10:30 a.m.
Eight sports will be awarding 14 gold medals Monday at the Rio Olympics in events ranging from artistic gymnastics to diving, fencing, judo, rugby sevens, shooting, swimming and weightlifting.
Swimming alone will hand out four gold medals - in the men's 200 meter freestyle and the 100 meter backstroke, and in the women's 100 meter breaststroke and 100 meter backstroke. In the men's 200 meter freestyle finals, watch for Germany's Paul Biedermann, who holds the world record.
Medals in rugby will be awarded for the first time in 92 years as the top four women's sevens teams in the world - Australia, Canada, Britain and New Zealand - compete.
10 a.m.
Michael Phelps is not content with a record 19th gold medal - he's aiming for more.
The American superstar swims in the preliminaries of the men's 200 meter butterfly on Monday. He holds the world and Olympic records in the event.
American Katie Ledecky crushed her own world record in the 400 freestyle Sunday night, touching nearly 5 seconds ahead of her closest pursuer. On Monday, she and world record holder Federica Pellegrini of Italy are among those swimming in the women's 200 meter freestyle heats.
10 a.m.
The men's gymnastics team finals are taking place Monday with teams from China, the United States, Russia, Japan, Britain, Brazil, Ukraine and Germany.
While Japan has been a favorite, the team looked shaky in preliminaries. They won the world championships last year in Glasgow and finished second to China in both the 2014 worlds and the 2012 Olympics in London.
The sometimes raucous atmosphere of the preliminaries in Rio de Janeiro was tempered, however, by a sobering reminder of the sport's ever-present danger when French gymnast Samir Ait Said broke his left leg while trying to land a vault.