Hayden Panettiere's cause of death remains under investigation — here's what the coroner's office has confirmed so far. Hayden Panettiere, the actress known for Heroes, Nashville, and the Scream franchise, died on Sunday, August 16, at a residence in Greenville, South Carolina. She was 36. According to the Greenville County Coroner's Office, first responders found Panettiere in cardiac arrest after arriving on scene around 1:51 p.m.; advanced cardiac life support was administered but was unsuccessful, and she was pronounced dead at 2:32 p.m. Police say the preliminary investigation has found no signs of foul play, and an acquaintance made the 911 call. An autopsy completed Monday found no signs of trauma, though the official cause and manner of death remain pending additional studies. A source has told PEOPLE that Narcan was found at the scene, and dispatch audio referenced an apparent overdose — details that remain part of an active, ongoing investigation. Tributes from co-stars and fans have continued since news of her death broke. This Video Covers Hayden Panettiere death, Hayden Panettiere coroner report, Hayden Panettiere cause of death, Hayden Panettiere Greenville South Carolina, Hayden Panettiere autopsy, Hayden Panettiere Heroes Nashville Scream, Hayden Panettiere Narcan, Hayden Panettiere investigation update Viewer Journey For more on Hayden Panettiere's life and career, check our related coverage on the channel. https://youtu.be/k1lZVI9MAwo?si=O8A_5P6W6VzhCj2D https://youtu.be/X5fdxC9tqs0?si=I6RC879RJxwp8X8Y 👉 Subscribe for updates as this story develops: https://youtube.com/@NaijahotstarsTv?sub_confirmation=1 About Naijahotstars TV Naijahotstars TV delivers the latest celebrity news, entertainment updates, viral moments, relationship stories, industry developments, and trending pop culture conversations from around the world. #HaydenPanettiere #CelebrityNews #Heroes #Nashville #Scream #EntertainmentNews #BreakingNews #CoronerReport Disclaimer Information in this video is based on statement