On day six, US gymnast Simone Biles secured her triumphant return with her sixth Olympic gold medal, captivating a jubilant audience at the Paris Games on Thursday.

Italian boxer Angela Carini was forced to withdraw from the Paris Olympics during her bout after sustaining multiple severe hits from an Algerian competitor who had previously failed a gender eligibility test at the World Championships last year.

At Roland Garros, the favored women's tennis singles gold medal contender, Iga Swiatek, was unexpectedly eliminated from the Games in a dramatic semi-final loss to China's Zheng Qinwen.

Here are some of the day's most notable photos: Andy Murray of Britain and Daniel Evans of Britain embraced after their defeat against Taylor Fritz and Tommy Paul of the United States. The former world number one and three-time Grand Slam champion retired at age 37 following their loss in the men's doubles quarter-finals at Roland Garros.

During the second heat of the BMX racing quarterfinals, athletes were captured in motion.

The most decorated gymnast in the world earned her sixth Olympic gold medal in front of an ecstatic crowd at Bercy Arena, overshadowing all her rivals and marking a victorious comeback three years after her withdrawal from the same final at the Tokyo Games.

Erynn Ballard of Canada, riding Nikka Vd Bisschop, was in action.

Spectators at Roland Garros stadium sought shelter during heavy rain while the Women's Singles Semifinals were underway.

Serbian top seed Novak Djokovic overcame Stefanos Tsitsipas with scores of 6-3, 7-6 (7/3), but not without exacerbating the right knee injury that necessitated surgery in June.

Brisa Hennessy of Costa Rica surfed a wave during Heat 8.