Here are some of the issues that you may have missed during the last week that affect the integrity of sport.

• China’s Central Commission for Discipline Inspection is investigating Xiao Tian, Deputy Head of China’s General Administration for Sport, for serious breaches of discipline and the law, reports Reuters. The Chinese Olympic Committee told the news agency that the investigation would not damage Beijing’s bid to host the 2022 Winter Olympics.

• The European Olympic Committees (EOC) suspended Azerbaijan athlete Chaltu Beju from the Baku 2015 European Olympic Games, after she was found to have committed an anti-doping rule violation (ADRV). The media release, which mentions a positive test for osterine, is available here. It mentions that ‘further anti-doping procedures will be conducted by the competent international organisations’.

• The Court of Arbitration for Sport (CAS) cancelled a four-year ban issued to professional violinist Vanessa Mae (Vanakorn – pictured), but upheld the cancellation of her results from the Sochi 2014 Winter Olympics. The CAS media release is here, and you can read more about her case here.

• The British Horseracing Authority (BHA) has charged Kevin Ackerman, CEO of Towcester racecourse, licensed jockeys Michael Stainton and Claire Murray, and two other individuals with alleged breaches of its rules. The BHA media release is here, and a verdict is expected next week.

• South Africa’s Premier Soccer League (PSL) is to charge a player with match-fixing, after a club reported allegations to the PSL last month, according to local reports.

• The Nigerian Football Federation (NFF) is investigating the President of its Referees Association, Tade Azeez, due to allegations that he assisted in fixing a Glo Premier League match between Gabros FC and Sharks on 17 May. The NFF told local media that it had launched the inquiry after being approached by FIFA.

• Heungkuk Life Pink Spiders’ Kwak Yu-hwa, who received a six-game suspension from the Korean Volleyball Federation (KOVO) after returning a positive doping test, was listed as retired by her club. A KOVO statement explained that the player had admitted taking a diet pill, after the Oriental Medicine Association complained about her claim that the positive was due to a traditional herbal medicine.

• A Daily Telegraph article on the potential threat to professional cycling posed by motor-assisted bikes.