Emergency services found actress Hayden Panettiere in cardiac arrest. The cause of her death at 36 years old has not been determined.

An autopsy has been completed by the Greenville County Coroner's Office, but more investigation and additional studies are needed to determine the cause and manner of death. The autopsy did not find signs of trauma contributing to her death.

Further details are available from the source, including a statement from the Coroner's Office. Emergency services received a 911 call on Sunday at 1:51 p.m. regarding a suspected cardiac arrest, and responders found Panettiere in that condition.