Britain's Paula Radcliffe, other former and current athletes and anti-doping heads criticise the decision to reinstate Russia's anti-doping agency.
A decision to lift the suspension of Russia's anti-doping agency (Rusada) is labelled "the greatest treachery" of clean athletes.
The decision to reinstate Russia could have far-reaching consequences for global sport, argues BBC sports editor Dan Roan.
The World Anti-Doping Agency (Wada) proposed a compromise with Russia in May that would allow a suspension of its anti-doping agency (Rusada) to be lifted.
Audio & Video
Britain's Kelly Sotherton receives her Olympic bronze heptathlon medal 10 years after the 2008 Beijing Games.
A parachute dash, shot put toss, sled run, medicine ball sprint and a 'hunt' finale - the new athletics event with a twist.
How to get into athletics
It has one of the widest ranges of choice in sport, from jumps and throws to sprints or distance running.
What's on BBC Sport this week
This week's sport on the BBC includes the fifth Test between England and India, World Equestrian Games and the return of the Champions League.