Athletics: Britain's Ujah 'shocked and devastated' by positive test

Silver medallists Chijindu Ujah (far left), Zharnel Hughes, Richard Kilty and Nethaneel Mitchell-Blake pose on the podium. PHOTO: REUTERS

LONDON (REUTERS) - British sprinter CJ Ujah said he was "shocked and devastated" after a positive drugs test that could see his country stripped of their Olympic silver medal in the 4x100m relay.

The 27-year-old ran the first leg of the final in Tokyo as Britain narrowly missed gold, but has been provisionally suspended after prohibited substances showed up in tests.

"To be absolutely clear, I am not a cheat," Ujah said in a statement to the PA news agency on Saturday (Aug 14).

"I have never and would never knowingly take a banned substance."

On Thursday, Ujah was informed of an Adverse Analytical Finding (AAF) from a test carried out during the Olympics, showing the presence/use of muscle-building ostarine and S-23.

Ujah's relay team mates were Zharnel Hughes, Richard Kilty and Nethaneel Mitchell-Blake, whose medals will also be at risk if the positive is confirmed.

In his statement, Ujah said: "I am completely shocked and devastated by this news. I love my sport and I know my responsibilities both as an athlete and as a team mate.

"I am respecting the formal processes and will not be making any further comment until it is appropriate to do so."

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