Ireland's latest Olympic medalist says Russia should NOT be at the Rio Olympics.
Rob Heffernan was upgraded to a bronze medal from the London 2012 games last week.
He finished 4th in the 50KM walk, but the Russian winner has been stripped of his medal for cheating.
The Russian's are currently banned from competing, but have been given more to prove they can get clean.
Heffernan spoke to Jamie Moore on Now That's What I Call Sport
Listen to his full interview about his medal award, and his Road To Rio training plan, by clicking play on the link below.
Meanwhile, the head of UK Anti-Doping has said she is "extremely concerned" about allegations that a doctor supplied performance enhancing drugs to 150 athletes.
Chief executive Nicole Sapstead says UK Anti-Doping is extremely concerned by the allegations made in the Sunday Times and says they will be investigating the allegations fully.
Dr Mark Bonner has said the allegations are "false and misleading."
An independent enquiry is due to begin today.
