Richardson was banned last year for a month for testing positive for cannabis
Iran will complain to world soccer's governing body FIFA after its women's team were banned from a qualifying game for next year's Olympics due to their Islamic dress, the ISNA news agency reported on Sunday.
More sporting bodies sanctioned Russian and Belarusian athletes on Tuesday over Russia's invasion of Ukraine
Barred from international competition, Russia is training its athletes at a series of special domestic tournaments and banking on hopes a doping ban will be lifted in time for this year's Rio Olympics.
Record-setting Olympic champion Michael Phelps has been banned for three months by USA Swimming amid controversy over a photograph published in a British newspaper purportedly showing him smoking marijuana.
The International Ski Federation (FIS) has refuted claims that athletes' complaints had been ignored in the build-up to the controversial women's snowboard slopestyle Olympic final on Monday.
Kuwait, home to influential sports power broker Sheikh Ahmad Al-Fahad Al-Sabah, has been threatened with a ban by FIFA because of government interference in the running of the local football association.
Tennis star Maria Sharapova said on Tuesday she is excited about her return to competition next month, feeling vindicated by the reduction of her doping suspension and empowered by her time away.
The Wrestling Federation of India issued show cause notice to four wrestlers, including the Phogat sisters - Babita Kumari and Geeta - and handed them temporary suspension for indiscipline.
Serbia and Chelsea defender Slobodan Rajkovic has been given a one-year ban from all competitions after spitting at a referee during last month's Olympic Games.
The United States would have to grant entry to players, officials and fans from any country that qualified if it won the right to host the 2026 World Cup finals, soccer body FIFA said.
On a plea from the IOA, the ban on the three who tested positive at the Athens Games was cut to two years.
Dwain Chambers achieved the first stage in his bid to run at the Beijing Olympics when he won the 100 metres final at the British trials on Saturday and must now await a legal ruling on his eligibility.
Accused of bribing her way to the Beijing Olympics, weightlifter Shailaja Pujari on Wednesday broke her silence by dismissing charges of corruption and claimed she is the "right candidate" for the Games. She also said selecting any other weightlifter in her place for the competition would be the violation of the rules of International Weightlifting Federation.
The Turkish Athletics Federation (TAF) has given two-year suspensions to 31 athletes for drug violations, it announced on Monday. At least three of the athletes competed at the 2012 London Olympics, including hammer thrower Esref Apak, the 2004 silver medallist.
A summary of sports events and sports persons, who made news on Friday
Russian Prime Minister Dmitry Medvedev has suspended Deputy Sports Minister Yury Nagornykh, who was named in a report on the doping of Russian athletes at the 2014 Sochi Olympics, the government said on Monday.
These athletes made India proud four years ago.
Shuttler P V Sindhu scripted a new chapter in Indian Olympic history with unprecedented feat but the embattled Narsingh Yadav's dreams lay in tatters after being slapped with a four-year doping ban on a bitter-sweet day for the country at the Rio Games.
Two biathletes and four cross-country skiers from the 2006 Turin Olympics were banned for possession of doping equipment and collaboration.
United Nations Secretary General Ban Ki-moon will deliver a keynote speech at the International Olympic Committee session this week before the start of the Sochi winter Games, IOC President Thomas Bach said on Monday.
15-year-old Russian skater Kamila Valieva tested positive for the banned heart medication trimetazidine in a sample collected on Christmas Day
The American athlete will miss the Athens Olympics after her appeal against a two-year drugs ban was dismissed
IOC ethics committee looks into Rio payment claims
Gay's reduced ban sends wrong message, says Bolt.
The world body said it has been keeping an eye on the protest by the wrestlers against WFI president Brij Bhushan Sharan Singh.
Muslim women are being driven away from soccer by FIFA's ban of the hijab, with more likely to follow if rulemakers fail to reverse the decision at a meeting next month, Prince Ali Bin Al-Hussein of Jordan said.
Russia could be banned from international athletics, including the 2016 Olympic Games, after an anti-doping commission report on Monday alleged widespread corruption and collusion that added up to a state-sponsored drugs culture in a sporting superpower.
Turkish side Fenerbahce will be unable to compete in the Europa League this season after the Court of Arbitration for Sport (CAS) upheld a UEFA-imposed two-year ban from European competition over a match-fixing scandal on Wednesday.
The 27-year-old gold medallist in the 20km race-walk event at the National Inter-State Championships in June, has been asked to return home from Budapest after Athletics Federation of India (AFI) received a notification from NADA regarding the athlete's "whereabouts failure".
Sports Minister Jitendra Singh has asked the Indian Olympic Association to put national interest above all and sort out its differences with the International Olympic Committee so that the country's Olympics ban is revoked soon.
Earlier on Friday, the IOC voiced serious concerns over the amateur boxing world body IBA's ban of the Ukraine National Federation, saying it would conduct a full review at its next meeting in December.
A member of the Belarus delegation who carried a Russian flag at the Paralympic opening ceremony to support his country's near-neighbor that is banned from the competition was stripped of his accreditation, the International Paralympic Committee (IPC) said on Thursday.
European Athletics president Svein Arne Hansen does not expect Russia to return to international competition in time for next year's Olympic Games in Rio de Janeiro.
National Anti-Doping Agency Director General Navin Agarwal says all the Rio Olympics-bound sportspersons have undergone testing for banned substances and are dope-free. He, however, conceded that there were issues regarding testing of a few Rio-bound sportspersons as they were not available at the 'whereabouts' provided by them as mandated under the Anti-Doping Administration Management System (ADAMS) of the World Anti-Doping Agency, but NADA was able to get their testing done later on.
Australian wrestler Vinod Kumar failed a doping test during an Olympic qualification event in Algeria in April and is set to be dropped from the team for the Rio Games.
Russian teenager Alina Zagitova edged compatriot Evgenia Medvedeva with a stunning free skate on Friday that earned the Olympic Athletes from Russia a first gold at the Pyeongchang Games.
Malaysian shuttler Lee Chong Wei was a relieved man on Monday after being handed a backdated eight-month ban for doping by the Badminton World Federation, leaving him free to go for gold at the Rio Olympics next year.
The IOA elections were due in December last year but could not be held due to amendments in the poll process.
