Actress Hayden Panettiere has died at the age of 36 following a 911 call for cardiac arrest, prompting an outpouring of grief and tributes from co-stars and colleagues. The coroner's office found no signs of trauma, and reports indicate she faced serious health issues prior to her death.

Actress Hayden Panettiere has died at the age of 36, with an autopsy finding no trauma. Tributes from co-stars and fellow celebrities have poured in, remembering her career and personal struggles.