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Tom Petty was reportedly hospitalized and put on life support Sunday night after he was found in cardiac arrest.

The legendary singer, 66, was found unconscious and not breathing in his Malibu home, TMZ reported on Monday.

He was placed on life support upon arriving at UCLA Santa Monica Hospital. A decision was then made to pull him off life support after there were no signs of brain activity, according to TMZ.

The rocker completed a 40th anniversary tour with the Heartbreakers last month.

A rep for Petty did not immediately return a request for comment.