Factbox: Doping scandals on the Tour de France (Reuters)
A look at major doping scandals involving the Tour de France since the Festina affair in 1998: * 1998: Festina medical team member Willy Voet was arrested at the French border before the start of the Tour after customs officers seized banned substances, including the blood-boosting drug erythropoietin (EPO). Festina were kicked out of the race and their riders later admitted to taking performance-enhancing drugs. Top rider Richard Virenque was banned for nine months, team director Bruno Roussel and Voet were fined and given suspended jail sentences.