The Emmy-nominated actor Michael K. Williams who was found dead in his New York penthouse on September 6, died of a fatal drug overdose.

Variety confirmed the news with a spokesperson for New York City's chief medical examiner's office who determined that 'The Wire' actor's official cause of death is acute intoxication by the combined effects of fentanyl, p-fluorofentanyl, heroin and cocaine. His manner of death has been ruled accidental.