WEST PALM BEACH (CBSMiami/AP) – Monkees star Davy Jones died of a heart attack.

An autopsy report released Thursday shows the 66-year-old Jones had severe build-up in his arteries.
Toxicology reports came up negative for any sign of drugs in his system other than cannabinoids, a class of drugs that includes marijuana. It played no role in the death.

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The report also notes some congestion in the singer’s lungs.

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Jones rocketed to the top of the 1960s music charts along with his bandmates in The Monkees, captivating audiences with hits including “Daydream Believer” and “I’m a Believer.”

He died Feb. 29 near his home in Indiantown.

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