Tokyo Olympics: British men's relay athletes tested positive and were banned. Can Chinese track and field make history again? -BBC News Chinese

British sprinter Chijindu "CJ" Ujah (Ujah) has tested positive for prohibited substances and has been suspended. The 27-year-old is a member of the men's 4x100m sprint relay team of the British representative team for the Tokyo Olympics. They won the silver medal in this month's Olympic finals. The drug prohibition incident may result in the cancellation of the results of the British team. If its medal is won by Qi, the Chinese team, which finished fourth in the final, may be able to make up for the bronze medal. The Athletics Integrity Unit (AIU) stated that Ujah has been temporarily…