A guest at Universal’s Epic Universe in Orlando died Wednesday after riding a roller coaster at the new theme park, park officials said in a statement.

The person became unresponsive while riding Stardust Racers at the Florida park, a Universal spokesperson said in the statement.

The attraction remains closed, according to the statement.

The Orange County Sheriff’s Office said off-duty deputies found a man in his 30s on the ride. He was then taken to the hospital, where he was pronounced dead.

It is not clear how he died. The District Nine Medical Examiner’s Office said the person’s body was in their care and will undergo an examination today.

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