Hayden Panettiere, known for her roles in TV shows "Heroes" and "Nashville", has passed away. Her death was reported by police in Greenville, South Carolina, who found her unresponsive on Sunday.

The cause of death has not been provided, and police have stated there were no signs of foul play. An autopsy will be performed by the Greenville County Coroner's Office.

Further details about the investigation into her death are available from her publicist and the authorities in South Carolina. Panettiere had previously spoken about her struggles with personal issues, but no additional information is available at this time.