NAIROBI, Oct. 24 -- Three more Kenyans have failed doping tests and have been handed suspensions by the Athletics Integrity Unit (AIU).

African Youth Games 800m silver medalist Angela Munguti has received a charge by AIU after her sample returned positive with the presence of a prohibited substance (norandrosterone) in it.

She has the right to challenge the decision and offer a B sample for testing before a final ruling is passed out on her. She faces a four-year absence from the sport should her appeal fail at the tribunal.

Munguti is only 17-years-old (she turns 18 on Dec. 24). She finished seventh in the Youth Olympic Games 800m a year ago in Buenos Aires, Argentina when she was just 16.

The question is how does a 16-year-old get norandosterone into her body?

Another athlete from Kenya that will also be sweating on the outcome of his sample will be Philip Kimutai, who has been given a notice of allegation after his sample had the presence of prohibited testosterone.

"A provisional suspension is issued out when an athlete is suspended temporarily from participating in any competition or activity in athletics prior to a final decision at a hearing conducted under the IAAF Anti-Doping Rules or the Integrity Code of Conduct," said the AIU in a statement.

There will also be a suspension for Vincent Yator, who survived a nasty accident to finish third at Honolulu Marathon last year. Yator set a personal best time of 2:09:59 at Gold Coast Marathon on July 7, where he was ranked fourth.

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