A naked man who jumped out of the back of an ambulance that was traveling on the 5 freeway was hit by a truck and killed, authorities said.

It happened this morning about 7:30 a.m. today on the northbound 5 south of the 55 freeway in Tustin, Sgt. Luis Garcia of the Tustin Police Department told the Weekly.

He said the man was 21 but, because his family had not been notified of his death, his name could not be released. Likewise …

… Garcia said he couldn't say why the man was receiving medical care.

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The victim was being transferred from one hospital to another when he jumped, he said.

He was hit by a pickup truck whose driver stopped, as required by law, Garcia said.

The Orange County coroner's office was investigating the death, he said.

[@dennisjromero / djromero@laweekly.com / @LAWeeklyNews]

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