French steeplechaser receives four-year ban for positive EPO test

Claude-Boxberger is a five-time national champion of France in the 1,500m and 3,000m steeplechase

Russian racewalker loses Olympic and world titles after anti-doping violation

Russia won eight gold medals in athletics at London 2012, but after a series of disqualifications, they have two

Two Kenyan marathoners suspended for doping

Paris Marathon champion Paul Lonyangata has been banned for 19 months and Edward Kiprop Kibet has received a 3-year suspension