Gilbert Burns, scheduled to challenge for the UFC welterweight title, has been forced out of his UFC 251 main event bout against Kamaru Usman after testing positive for COVID-19.

Burns had travelled from Florida, where he trained for UFC 251 at Sandford MMA, to Las Vegas where the UFC is using the city as a hub to send fighters to ‘Fight Island’ in Abu Dhabi.

Testing fighters for COVID-19 before flying fighters out to the Abu Dhabi, Burns’ test results would come back positive, as well as his brother and cornerman, Herbert Burns, and coach Greg Jones.

As a result, all three men did not board the flight departing Las Vegas and neither did Kamaru Usman per MMAJunkie.

Burns posted the following statement on Twitter following the news:

Burns’ positive test comes soon after fellow Sandford MMA stablemate Aung La N Sang, ONE FC’s middleweight and light heavyweight champion, revealed he himself had tested positive for COVID-19.