Eugene (Oregon), Jul 2 (AP) America's fastest women Sha'Carri Richardson is reported to have failed a drugs test that could see her miss the Tokyo Olympics.

The sprinter is said to have tested positive for cannabis after she won the 100m at the US trials last month, according to sources.

So far there's been no confirmation of the story, but Richardson has tweeted: "I am human."

Cannabis was banned by WADA on 1st January this year, and suspension can range from one month to a maximum of four years. AP

(The above story is verified and authored by Press Trust of India (PTI) staff. PTI, India’s premier news agency, employs more than 400 journalists and 500 stringers to cover almost every district and small town in India.. The views appearing in the above post do not reflect the opinions of LatestLY)