US Men Win Gold in 4x200-Meter Freestyle Relay
The United States has won the gold medal in the men's Olympic 4x200-meter freestyle relay event.
Australia finished a close second to take the silver, while Italy claimed the bronze.
The win gives U.S. swimming star Michael Phelps two gold medals for the day and three for the games overall.
Earlier Tuesday, Phelps won the men's 200-meter butterfly final, holding off Japan's Takashi Yamamoto. Britain's Stephen Parry won the bronze.
Phelps finished the race in 1:54.04, setting a new Olympic record.
In other swimming action Tuesday, Camelia Potec of Romania won the women's 200-meter freestyle event. Italian Federica Pellegrini was second and France's Solenne Figues was third.
And Yana Klochkova of Ukraine won gold in the women's 200-meter individual relay, beating out American Amanda Beard and Kirsty Coventry of Zimbabwe.
Greece, Japan Claim Judo Gold Medals
Olympic host Greece has claimed its first-ever gold medal in judo.
Greek teenager Ilias Iliadis won the men's 81-kilogram competition Tuesday, beating Roman Gontyuk of Ukraine in the final.
Cheered on by a homeland crowd, Iliadis scored his first point just 10 seconds into the match and needed only three of the allotted five minutes to seal the victory.
Bronze medals for the category went to Dimitri Nosov of Russia and Flavio Canto of Brazil.
Meanwhile, Japan has claimed its fourth judo gold medal of the games, this time in the women's 63-kilogram category. Ayumi Tanimoto looked strong in the final today, pinning Claudia Heill of Austria.
Bronze medals went to Slovenia's Urska Zolnir and Cuba's Driulys Gonzalez.
Romania Wins Gold Medal in Women's Team Gymnastics
Romania has won the gold medal in women's team gymnastics at the Summer Olympics.
The Romanian team defended its championship Tuesday by tallying a winning score of 114.283 points.
The United States took the silver medal, while Russia captured the bronze.
American Claims Women's Sabre Gold
Mariel Zagunis of the United States has won the gold medal in the women's Olympic individual sabre competition.
The 19-year-old Zagunis beat Tan Xue of China, who settled for the silver.
Another American, Sada Jacobson, won the bronze.
US Swimming Team Fails to Make 100-Meter Freestyle Finals
The U.S. men's swimming team has failed to advance a swimmer to the 100-meter freestyle finals for the first time in any Olympics that were not boycotted.
Top American sprinters Ian Crocker and Jason Lezak had such poor performances in qualifying Tuesday that they failed to even reach the 16-man semi-finals.
Crocker missed the field by just a hundredth of a second, while Lezak finished in 20th place.
The U.S. team has earned 12 gold medals in the event over the years, to go with nine silver and seven bronze medals.
Top-Seeded Henin-Hardenne Advances in Olympic Tennis
World number one women's tennis player Justine Henin-Hardenne of Belgium has eased into the third round of the Olympic tennis tournament in Athens.
The top-seeded Henin-Hardenne, who had been sidelined by a virus for 11 weeks, crushed Maria Vento-Kabchi of Venezuela, 6-2, 6-1 Tuesday. Other women advancing Tuesday include number-three Anastasia Myskina and fifth-seeded Svetlana Kuznetsova of Russia, number-eight Ai Sugiyama of Japan, 10th-seeded Patty Schnyder of Switzerland, number-11 Francesca Schiavone of Italy, and 12th-seeded Karolina Sprem of Croatia.
On the men's side, number-five Juan Carlos Ferrero of Spain and ninth seed and former world number one Marat Safin of Russia were upset. American Mardy Fish beat Ferrero in three sets, 4-6, 7-6, 6-4, while Safin fell to Feliciano Lopez of Spain, 7-6, 6-3.
Among seeds advancing Tuesday were number-eight Sebastien Grosjean of France and 16th-seeded Fernando Gonzalez of Chile.
UAE Shooter Captures Country's First-Ever Olympic Medal
The United Arab Emirates has captured its first-ever Olympic medal, with Ahmed al-Maktoum winning the gold in the men's double trap shooting event.
Al-Maktoum, a member of Dubai's ruling family, tied an Olympic record with 189 points during the final in Athens Tuesday.
India's Rajyavardhan Rathore won the silver, with China's Wang Zheng taking the bronze.
Earlier, Russia's Mikhail Nestruev won the gold medal in the men's 50-meter pistol event.
Nestruev came from behind in the final to defeat South Korea's Jin Jong-Oh, who lost his chance for gold with a poor shot on his seventh bullet.
Jin settled for the silver, while North Korean Kim Jong-Su took the bronze.
Puerto Rico Basketball Squad Humbled After Upset
Puerto Rico's Olympic basketball team, which stunned the United States on Sunday, came back to earth Tuesday with a 98-90 loss to Lithuania in preliminary round action.
Leading by five points entering the fourth quarter, the Lithuanians put together a 12-2 run and held on for the victory.
The Puerto Rican men hit just 39 percent of their shots, down from 56 percent in the win over the U.S. squad of NBA all-stars on Sunday.
Lithuania was led by 23 points from Ramunas Siskauskas and 19 from Arvydas Macijauskas. Puerto Rico got 25 points each from Carlos Arroyo and Elias Ayuso.
In other preliminary action Tuesday, China used 39 points from star Yao Ming to defeat New Zealand 69-62. China's Olympic basketball team used 39 points and 13 rebounds from star Yao Ming to defeat New Zealand 69-62 Tuesday in preliminary round action.
Yao netted 19 points in the third quarter, although the Kiwis still pulled to within three points of China before he sparked an 8-2 run.
New Zealand again came back to within four points with 40 seconds remaining in the game before China's Guo Shiquing hit five of six free throws in the closing seconds to clinch the victory.
Australia had little trouble beating Angola, 83-59.
Later Tuesday, the U.S. team tries to rebound from Sunday's loss in a game against host country Greece.
Olympic Badminton Upsets of Men's 3rd, 5th Seeds
The third and fifth-seeded Olympic men's badminton competitors have been upset heading into the quarter-finals in Athens.
Number three Choong Hann Wong of Malaysia lost Tuesday to unseeded Taufik Hidayat of Indonesia, 11-15, 15-7, 15-9.
Meanwhile, Thailand has its first ever quarter-finalist in Olympic play after unseeded Ponsana Boonsak upset fifth seed Lee Hyun-ii of South Korea. Ponsana, who won the Thai Open earlier this year, took 59 minutes to pull off the 15-13, 15-11 upset.
He faces Ronald Susilo of Singapore in the quarter-finals after Susilo downed Bjoern Joppien of Germany in a battle of unseeded players.
Among others advancing Tuesday was number six Peter Gade of Denmark.
South Korean Archer Equals Own Olympic Record
Olympic and world archery champion Yun Mi-jin of South Korea has equaled her own Olympic record during an elimination round in women's individual competition.
Yun hit the bulls-eye 12 times out of her 18 shots Tuesday, while compiling 173 points out of a possible 180. That is the same score she had at the Sydney Olympics four years ago.
South Korea Earns Field Hockey Win
South Korea's Olympic field hockey team has won a Group A men's preliminary match, defeating Britain 3-2.
Lee Jung-Seon scored two goals, including the game winner with just two minutes remaining on the clock.
South Korea now has one victory and a tie.
US Tops Greece in Men's Basketball
The U.S. men's basketball team rebounded from a stunning defeat by overcoming host country Greece in preliminary round action at the Summer Olympics.
Allen Iverson scored 17 points Tuesday to lead the the U.S. team to a 77-71 victory, despite playing with a broken thumb on his shooting hand.
In losing to Puerto Rico Sunday, the United States suffered its first defeat at the Olympics since National Basketball Association players began suiting up for competition in 1992. It was the first basketball loss for the United States at the Olympics since 1988. Tuesday, Puerto Rico's team came back to earth, losing 98-90 to Lithuania.
In other preliminary round action, China defeated New Zealand 69-62; Serbia-Montenegro squeaked by Italy, 74-72; and Australia routed Angola, 83-59.
Romania Wins Gold in Women's Team Gymnastics
Romania's women's gymnastics team outperformed talented squads from the United States, China and Russia to win the gold medal at the Summer Olympics.
The Romanians, with a team of teenagers, tallied a winning score Tuesday of 114.283 points. Romanian gymnast Catalina Ponor sealed the victory with a dazzling performance in the final floor exercise.
The United States took the silver medal with 113.584 points, while Russia captured the bronze with 113.235.
With the win, Romania defended its gold medal performance from the 2000 Olympics in Sydney.