Sad news out of Hollywood this evening. Comedian and Oscar-winning actor Robin Williams has died. He was 63.

Williams was found unconscious at his residence in Tiburon, California just before noon on Monday. The Marin County Cononer's Division of the Sheriff's office, at this time, suspect the death to be a suicide due to asphyxiation. A full comprehensive investigation will be conducted including a forensic examination scheduled for Tuesday. Toxicology tests will also be conducted.

Williams, a Julliard-trained actor, burst onto the scene via television on the hit sitcom 'Mork & Mindy'. The actor had a lifelong struggle with drug and alcohol abuse. It was reported in July, the actor had checked into rehab to work on his addiction issues. Williams found success in the movies with such hits as The Fisher King (Oscar nomination), Aladdin, Mrs. Doubtfire, Good Will Hunting (won Best Supporting Actor Oscar), and the list goes on. Williams made a return to TV last fall in the CBS comedy 'The Crazy Ones'; unfortunately, series was cancelled after one season. The actor had been filming a third Night at the Museum sequel, and he had signed on to reprise his role in a Mrs. Doubtfire sequel.

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