Known as Gabigol, the 27-year-old Brazilian was alleged to have been uncooperative during a surprise doping test at club headquarters in Rio de Janeiro.

West Indies batter John Campbell has been slapped with a four-year ban for violation of an anti-doping rule, according to a Jamaica Anti-Doping Commission (JADCO) decision seen by Reuters.

Bangladesh pacer Shohidul Islam has been suspended for 10 months after pleading guilty to breaching Article 2.1 of the ICC Anti-Doping code.

Doha's anti-doping laboratory has had its accreditation suspended for four months after it failed to comply with international standards, the World Anti-Doping Agency (WADA) says in a statement.

Russia's athletes should stay banned from international competition and not be allowed to take part in the Rio Games, says a leading Olympic official.

Scandal-hit Russia will likely discover Friday that it has not done enough to get back into world track and field's governing body, the IAAF, in time for its athletes to compete at the Rio Olympics.