Hayden Panettiere’s Death Under Investigation, Actress Found Unresponsive

New details about Hayden Panettiere‘s heartbreaking death are beginning to emerge.

Authorities have confirmed that the Heroes actress was pronounced dead in Greenville, South Carolina, just before 2 p.m. local time on Aug. 16, after police and Emergency Medical Services responded to a report of an “unresponsive female.”

“Upon arrival, medical assistance was administered,” a spokesperson for the Greenville Police Department said in a statement obtained by People Aug. 17, “however, the individual, later identified as Hayden Panettiere, was pronounced deceased at the scene.”

“The case is under investigation by the Greenville Police Department in conjunction with the Greenville County Coroner’s Office,” the department added. “The preliminary investigation has not indicated any signs of foul play or suspicious circumstances.”

The spokesperson also confirmed that an “acquaintance of Ms. Panettiere” placed the 911 call.

E! News has reached out to Panettiere’s rep and authorities for comment and has not yet heard back.