Britain's men's 4x100m relay team have been told to hand back their Tokyo 2020 silver medals after Chijindu Ujah's doping violation, the British Olympic Association (BOA) said on Thursday.
Kenya's Beatrice Chebet smashed the women's 5,000 metres World record and compatriot Faith Kipyegon broke her own 1,500m record again as the Eugene Diamond League meet lived up to its billing on Saturday.
South Africa's Akani Simbine cruised through the finish of the 100 metres at the Atlanta City Games a tenth of a second ahead of Kenyan Ferdinand Omanyala, with American Kendal Williams finishing third in 10.05s.
The race to find the continent's fastest woman saw Asher-Smith end the 100m reign of Dutchwoman Daphne Schippers in brilliant style, clocking 10.85, equalling the world's fastest time this year and setting a British record.
American Kenny Bednarek, a twice Olympic champion, built up an enormous lead around the turn and stumbled through the tape to win the 200m in 20.07, three-tenths of a second ahead of Briton Zharnel Hughes, and clinch the men's short sprints slam.
Chijindu Ujah has been provisionally suspended since Ostarine and S-23 -- both substances prohibited by world anti-doping organisation WADA -- were detected in his A and B samples following the final.
The AIU, which oversees integrity issues in international athletics, including doping, said Ujah's ban was effective August 6, 2021 and will be in force until June 5, 2023.
'I feel good and I'm rounding into shape ahead of the Olympics.'
British Olympic 4x100m relay silver medallist Chijindu Ujah's B-sample has also confirmed an Adverse Analytical Finding (AAF) and his case will be referred to the Court of Arbitration for Sport, the International Testing Agency (ITA) said on Tuesday.
The current Olympic champion Italy's Marcell Jacobs, who has had a wretched time with injury since his shock Tokyo success, looked a little sluggish in finishing second in 10.05 behind Nigerian heat winner Kayinsola Ajayi (10.02).
The 2023 World Athletics Championships kicked off in Budapest on August 19.
Eugene Amo-Dadzie, who is a full-time accountant and started running seriously four years ago, is the quickest 100m runner in Europe this year.
China's Su Bingtian became the first Asian man to reach the Olympic 100 metres final for 89 years on Sunday, scorching to an Asian record of 9.83 in his semi-final, but pre-race favourite Trayvon Bromell failed to make it.
Usain Bolt completed another 100-200 double at the IAAF World Championships when he bested rival Justin Gatlin to the 200 metres title at the Bird's Nest.
American Noah Lyles stormed to his third consecutive world 200 metres title on Friday to underline his status as the best in the business since Usain Bolt.
Trayvon Bromell, the fastest in the world this year and favourite to win the Olympic men's 100 metres gold, sneaked through the first-round heats as a fastest loser on Saturday, pouring even more intrigue into Sunday's final.
Forty years after its first edition, the world athletics championships get underway in Budapest on Saturday with over 2,000 athletes from 202 countries taking part over nine days of what could be record-breaking action.
Brief profile of five male athletes to watch out for at the August 22-30 world championships in Beijing.
Kerley, hoping to be the first American winner since Justin Gatlin in 2004, ran brilliantly for second, with De Grasse finishing fast in another lifetime best.
Images from the athletics action at Stade de France, Saint-Denis, Paris, on Friday.
A wrap from Day 2 of the World Athletics Championships 2023 in Budapest on Sunday.
Yohan Blake had to settle for a second bronze and Elaine Thompson a single silver as Jamaica's vaunted sprinters failed to fire in the relays on the final day of athletics at the Commonwealth Games on Saturday.
A summary of sports events and persons who made news on Friday
A tired Usain Bolt and an emotionally fatigued Justin Gatlin progressed towards their second blockbuster sprint showdown of the World Athletics Championships by easing through the 200 metres heats in Beijing, on Tuesday.
A baffled Usain Bolt ran his worst turn ever as he barely won the 200 metres at the Adidas Grand Prix meet in a sluggish 20.29 seconds on a warm, windy day at Randall's Island in New York, on Saturday.
After two decisive defeats at the hands of Usain Bolt in the space of five days, Justin Gatlin is showing the strain.
A summary of sports events and sports persons, who made news on Sunday
