Philadelphia (ANTARA News/Reuters) - Actor Ryan Dunn, a star of the "Jackass" movie franchise, died early on Monday in Pennsylvania when the 2007 Porsche he was driving careened off a highway and burst into flames.

An unidentified passenger also died in the crash at 2:38 a.m. local time, authorities said.

Police in West Goshen Township, a western suburb of Philadelphia, said they found the car off the road in a wooded area. They said it was "fully engulfed in flames."

A police statement said a "preliminary investigation revealed that speed may have been a contributing factor to the accident."

Dunn, 34, born in Medina, Ohio, lived in nearby West Chester, Pennsylvania, police said.

Shortly before the accident, Dunn posted a photo to his Twitter account at 1 a.m. that apparently showed him drinking with friends.

The daredevil actor, part of the stunt-crazy crew in the Jackass movie franchise, also starred in "Haggard: The Movie," in which he played himself. (*)

Editor: Kunto Wibisono
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