UPDATE: Oakland TV station KTVU reported Williams hung himself

Reports are coming in that Robin Williams, 63, committed suicide inside his home in Tiburon, CA. Williams was unresponsive when the Marin County Sheriff’s Office found him. The coroner suspects suicide from asphyxia. Investigators say Williams was last seen alive in his home with his wife at around noon on Sunday.

Williams, sober for 20 years, had returned to rehab last month to focus on his sobriety.