Chinese Olympic champion swimmer Sun Yang handed eight-year doping ban

Triathlete Flora Duffy describes her historic gold medal win after delivering the first Olympic gold medal in history for the tiny island of Bermuda.

Hong Kong's fencing gold medallist Edgar Cheung Ka-long has stirred up a surge of local interest in the sport after winning the Chinese territory's first Olympic gold in 25 years and only its second ever. The fencing school where Cheung hailed from said they received over 60 enquiries from prospective students just the morning after Cheung's win in the men's foil in the Tokyo Olympics on Monday. Morale is high among the students. "I feel very happy, but I also feel that he is a good role model for me," says a 10-year-old fencer at the school.

Triathlete Flora Duffy has made history as the first person from Bermuda to win gold at the Olympics. Her parents describe in an interview from Bermuda how they were blown away by the crowd watching her at a pub on the tiny island.

Seven years ago Cameroonian refugee Cyrille Tchatchet II was penniless and living on Britain’s streets. Now he is preparing to make history at the Tokyo Olympics as the first UK-based refugee Olympian, after being officially selected as weightlifter for the International Olympic Committee's refugee team.

At a serene zen garden in a Tokyo park, abstract lines inspired by the movements of Olympic athletes are carefully traced in the gravel -- not by monks, but by robots. The newly installed artwork, titled "The Constant Gardeners", features four large industrial robotic arms that work together to sculpt a traditional Japanese rock garden.

Families of refugee athletes who come from Kenya's Kakuma settlement have been sending them prayers and messages of hope, before they compete at the Olympic Games. They are among 29 athletes and refugees scheduled to compete in Tokyo in 12 sports, under the banner of the Olympic flag, according to the UNHCR. This is only the second appearance of the IOC Refugee Olympic Team. The first was in Rio de Janeiro in 2016.

American swimmer Chase Kalisz, who won gold in the 400m individual medley at the Tokyo Olympics, says it "hasn't really hit" him that he's an Olympic champion, and that it will "take some time to really process what happened".

Hundreds of people wait to have their picture taken with the famous Olympic rings outside the Olympic stadium as Japan extends a state of emergency, a week after the start of the Games.

Krystsina Tsimanouskaya lost a legal bid to continue running in Tokyo 2020 after what she described as a "kidnapping" attempt by Belarusian authorities.

Japan's Hiromu Inada is watching the Tokyo Olympics hoping to pick up some tips from the athletes before he competes in next year's Ironman world championship, at the age of 90. Inada, who turns 89 in November, already holds the Guinness World Record for the oldest person to complete an Ironman competition -- a gruelling format involving swimming 3.86 kilometres, biking 180.25 kilometres and running a 42.19 kilometre marathon. A three-time winner of the competition in his age group, his commitment to sport is so deep that he records footage of athletes at the Games and watches it to analyse leg movements and posture.

In a dramatic series of events, Krystsina Tsimanouskaya arrived in Poland after she said Belarus team officials tried to force her to leave the Tokyo Olympics.

Tokyo 2020 mascot's Miraitowa tours the main press centre, greeting and posing for photos with media from around the world.