Japanese race walker Koki Ikeda, a former Olympic silver medalist, has been banned for four years for doping, the Athletic Integrity Unit said Friday. The athletics watchdog said that a disciplinary and appeals tribunal ruled that the 26-year-old Ikeda had broken anti-doping rules.

Japan's Koki Ikeda, who won silver in the men's 20km walk at the Tokyo Olympics, has been banned for four years for doping, the Athletics Integrity Unit (AIU) announced on Friday.

Tokyo Olympics racewalking silver medallist Koki Ikeda has been banned for four years for using or attempting to use a banned drug, the Athletics Integrity Unit said on Friday. Ikeda will not be allowed to participate in the Japan Race Walking Championships on February 16,