From the Guardian: -
The Kenya athletics coach John Anzrah has been sent home from the Olympics after posing as an athlete and giving a urine sample, according to Kip Keino, chairman of the Kenyan Olympic committee. Anzrah is Kenya’s sprint coach, responsible for disciplines from 100m to 400m including hurdles. Kenya’s strength in the longer sprints has been growing of late. Seven athletes have qualified for the 400m, five of them men, and another four, three of them men, for the 400m hurdles. More details as we get them.