An investigation is underway into the sudden death of actress Hayden Panettiere. She was pronounced dead on Sunday. The DEA has joined the probe, indicating a potential connection to their area of expertise.

The circumstances surrounding her death are still being looked into. Further details about the investigation and the events leading up to her death can be found through additional reporting.

Hayden Panettiere was found at an apartment, where she was pronounced dead. The apartment is located in South Carolina. For more information on the ongoing investigation, readers can refer to the original source.