Ethiopian marathon runner Ruti Aga received a six-year ban for using a fake prescription. Aga won the 2019 Tokyo Marathon. She tested positive for methylprednisolone after a half marathon in China.

Aga received a two-year ban for the steroid, which is performance-enhancing. She got an additional four-year ban for tampering with evidence. Aga claimed the positive test was due to a knee injury treatment. The prescription was from a non-existent clinic, issued by a family member. Read more racing coverage.

The Athletics Integrity Unit confirmed the prescription was fake. The clinic did not exist, and the individual was not a doctor. Aga has been suspended since September 10. The ban starts from that date. Related: Ruti Aga banned for six years by AIU for doping violations.

This original Runner World brief is based on reporting from BBC Sport Athletics. Visit the source for its complete reporting, context and any later corrections.