French prosecutors have described a web of corruption once rife in world athletics, including bribes paid to cover up athletes' positive drugs tests, in an indictment recommending that Lamine Diack, the Senegalese former head of the IAAF, and his son stand trial.

FILE PHOTO: IAAF President Lamine Diack speaks during the opening ceremony of the 15th IAAF World Championships at the National Stadium in Beijing, China August 22, 2015. REUTERS/Damir Sagolj