NAIROBI, Kenya (AP) — The IAAF’s ethics board has rejected a challenge from the CEO of Athletics Kenya against his provisional suspension for allegedly soliciting bribes from two athletes.

Isaac Mwangi was provisionally suspended in February, after The Associated Press first reported the allegations from runners Joy Sakari and Francisca Koki Manunga.

Sakari and Manunga are serving fouryear bans for doping at the 2015 world championships. They then were informed of their four-year bans in a Nov. 27 email, but never filed a criminal complaint because, they said, they had no proof to back up their bribery accusation and also feared repercussions.

The ethics board said the athletes – who are both serving police officers – have since reiterated their allegations in signed written statements.

Mwangi told the panel that the athletes are “cheats” and “liars” and that “their evidence should not be trusted,” the ethics board said.

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