An investigation into the death of actress Hayden Panettiere is underway. The probe spans multiple locations, including Los Angeles and South Carolina. Panettiere was found unresponsive and in cardiac arrest, and despite attempts to resuscitate her, she was pronounced dead at the scene.

The investigation is ongoing, with toxicology results and autopsy findings still pending. Preliminary autopsy results have found no signs of trauma contributing to her death.

Further details about the investigation and its findings can be found through additional reporting, including information on the expected timeline for releasing toxicology and autopsy results.