Gleb and Vadim Alekseenko have been banned from tennis for life and fined $250,000 each for “multiple match-fixing offences”.
Two Malaysian badminton players have been hit with bans of 20 and 15 years .
Singapore revoked the citizenship of a Malian-born footballer for allegedly being a member of a global match-fixing syndicate.
Top flight players, referees and a club director are among a dozen people under investigation for match fixing.
The Chinese FA launched an investigation after a fourth official was reportedly attacked.