By Eliana Dockterman
Updated: April 19, 2016 8:10 PM ET

UFC star Conor McGregor tweeted on Tuesday: “I have decided to retire young. Thanks for the cheese. Catch ya’s later.”

McGregor, 27, has made no official announcement about his retirement, and the mixed martial arts fighter’s team could not immediately be reached for comment. He was scheduled to fight Nate Diaz on July 9, but the UFC later announced in a tweet that it has pulled McGregor from the major UFC 200 event.

The UFC did not immediately respond to a request for comment.

McGregor’s tweet comes one week after fighter Joao Carvalho died due to injuries he suffered during a fight. McGregor attended the match that led to Carvalho’s death. He mourned Carvalho on Facebook last week in a post. “To see a young man doing what he loves, competing for a chance at a better life, and then to have it taken away is truly heartbreaking,” he wrote.

Check back for updates.

Write to Eliana Dockterman at eliana.dockterman@time.com.

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