The hottest ticket in town will be at Roland Garros, where Novak Djokovic and Rafael Nadal will clash for a 60th time, with the Serb up in their rivalry 30-29.

The 17-year-old French-born athlete earned an impressive 15.600 points for her bars routine -- an acrobatic, gravity-defying performance full of technical skill and difficulty at Bercy Arena.

Rabiul finished 43rd out of 49 participants with a score of 624.2. The top eight scorers from the qualification round moved on to the next phase of the competition.

A galaxy of A-listers, from Hollywood star Tom Cruise to Vogue editor-in-chief Anna Wintour, crowded into a packed Bercy Arena to watch as Biles began her quest for Olympic redemption.

"The important thing is that today he has warmed up, that he is ready to play," said Ferrer.

The down-to-earth 23-year-old held off Canadian teenager Summer McIntosh and American great Ledecky to join Dawn Fraser as the only Australian female swimmer to retain an Olympic crown.

Simone Biles will make her eagerly anticipated first appearance at the Paris Olympics on Sunday while British breaststroke king Adam Peaty aims to emulate Michael Phelps in the swimming pool.

McKeon, who was the star act in Tokyo and is at her last Olympics, won her sixth gold and 12th medal overall.

The 38-year-old effectively ruled himself out of the singles tournament as he battles a thigh injury picked up in training at Roland Garros, the scene of 14 of his 22 Grand Slam triumphs.

For Dressel, 27, it was his eighth gold medal from three Olympics, and he was tearful in the celebrations.

Sheng, who won an individual silver medal at the pandemic-delayed Tokyo Olympics three years ago at the age of 16, and Huang, 17, kept their cool to edge past South Korea's Keum Ji-hyeon and Park Ha-jun 16-12.

Nadal, a singles gold medallist at the 2008 Olympics, is playing in his final Games having also won doubles gold in Rio in 2016, while Djokovic was a bronze medallist in singles in 2008.

Paris Olympics organisers are looking into what led to a pitch invasion during the opening match of the Olympic soccer tournament between Argentina and Morocco, they said on Thursday.

Two-time Olympic gold medallist Andy Murray said he will not compete in the singles competition at the Paris Games and will prioritise the doubles event in the final tournament of his career before retirement.

The Hashimi siblings are the first cyclists - male or female - to represent Afghanistan at the Games.

The Italian said he was "sad and disappointed" to drop out, adding that he had started feeling unwell on Monday after a practice week in Monaco.

France deployed about 1,000 police officers backed by Israel's own internal security service, Shin Bet, to welcome thousands of supporters for the evening kick-off. They cordoned off the streets around the Parc des Princes in western Paris and set up a perimeter a few kilometres away from the stadium

"I can't explain what happened. We spent about an hour and a half in the dressing room where they never told us what was going to happen," Mascherano told reporters.

Former Olympian and current BKSP shooting coach Asif Hossain Khan admitted the harsh reality of Bangladesh’s chances in the Olympics, but he was hopeful that if these athletes can deliver their best individual performance in the meet, they can count their participation differently.

A staff member from the Canadian women's football team has been detained by French authorities for flying a drone over a New Zealand training session ahead of their match at the Paris Olympics.