International Olympic Committee: another 45 athletes test positive

And there is set to be more bad news on the way with more samples from Beijing and London - specifically aimed at medal winners - set be be conducted throughout and beyond the Rio Games.

A further 45 athletes have tested positive for banned substances after a second set of samples provided at the London and Beijing Olympics were reanalysed, the International Olympic Committee has announced.

The number of additional positive tests - comprising 30 athletes from Beijing and 15 from London - takes the total number of athletes who have failed doping tests during the period of reanalysis so far to 98.