Hayden Panettiere’s cause of death revealed News.com.au Hayden Panettiere died from accidental overdose of Fentanyl and other drugs ABC News & Headlines – Australian Broadcasting Corporation Hayden Panettiere died from accidental overdose, coroner finds SMH.com.au Hayden Panettiere’s official cause of death released by coroner’s office nine.com.au Hayden Panettiere’s cause of death confirmed as fentanyl overdose The Guardian