Actor Robin Williams, 63, was found dead this morning in his home in Tiburon, Calif.
"Robin Williams passed away this morning," Williams' publicist Mara Buxbaum said in a statement, noted USA Today. "He has been battling severe depression of late. This is a tragic and sudden loss. The family respectfully asks for their privacy as they grieve during this very difficult time."
At 11:55 a.m. PST, a 911 caller said Williams was unconscious and not breathing inside his home, noted ABC News.
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"At this time, the Sheriff’s Office Coroner Division suspects the death to be a suicide due to asphyxia, but a comprehensive investigation must be completed before a final determination is made," the Marin County Sheriff’s Office-Coroner Division said in a press release. "A forensic examination is currently scheduled for August 12, 2014 with subsequent toxicology testing to be conducted."
Williams won a Best Supporting Actor Academy Award for his role in "Good Will Hunting," and was planning to film a sequel to his hit comedy "Mrs. Doubtfire."
According to NBC Bay Area, Williams' wife Susan Schneider said in a statement, "This morning, I lost my husband and my best friend, while the world lost one of its most beloved artists and beautiful human beings. I am utterly heartbroken."
Williams, who openly admitted to drinking and drug problems, mentioned last month that he might enter a 12-step treatment program in Minnesota.