U.S. sprinter Tyson Gay and former 100-meter record holder Jamaican Asafa Powell failed the doping test.
Gay, 30, who became one of the fastest sprinters in the 100 meters, by the U.S. anti-doping agency tested positive for doping in a competition last May.
While Powell tested positive for the banned stimulant substances while participating in the Jamaican national championships, last June.
Jamaican sprinter Sherone Simpson also failed in the same doping test.
This is the latest doping scandal in athletics arena once a month ago the Jamaican Olympic champion Veronica Campbell-Brown also tested positive for doping type diuretic.
Powell had held the record before it was broken Usain Bolt 100m in 2008. And to this day he is still ranked as the fourth fastest sprinter in the world.
Powell helped Jamaica won the 400m relay gold medals at the 2008 Beijing Olympics.
This year he recorded a record of 9.88 seconds but failed to make the Jamaican team that will compete at the World Championships next month.
“I want to explain to family, friends and the main thing is my supporters all over the world that I have never knowingly or intentionally use supplements or drugs in violation of the rules,” Powell said in a statement responses.
“I never cheated or even,” belanya.
As for Tyson Gay, doping verdict is a blow for him because in 2013 he actually recorded the fastest time despite missing three times in 2011 and the full year following a hip operation.
Tyson Gay is still waiting for the results of the B sample urine tests.
However he has claimed back from the World Championships next month in Moscow.
“I do not have a story of sabotage … I basically trust someone and it’s disappointing,” he said.
“I know what happened, but I can not discuss at this time.”
“I hope to be back running, but I will accept whatever punishment is fitting a man.”