Olympic champion Ruth Jebet embroiled in drug-testing scandal

• Sources tell Guardian Ruth Jebet has tested positive
• No confirmation from Athletics Integrity Unit
• Rio steeplechase gold medallist trains in Kenya but runs for BahrainRuth Jebet, the reigning Olympic 3,000m steeplechase champion and world record holder, has become the highest-profile Kenya-born athlete to become embroiled in a drug-testing scandal.Although the news has not yet been confirmed, a number of prominent sources have suggested Jebet has tested positive for a perfor