India, Aug. 18 -- Hayden Panettiere's sudden death at the age of 36 has left fans and the entertainment industry mourning the actress. The Heroes star was found unresponsive at a residence in Greenville, South Carolina, on Sunday and was pronounced dead at the scene after emergency responders attempted to revive her.

Panettiere's death is still being investigated and authorities have not yet confirmed an official cause or manner of death. Her autopsy has been completed with the Greenville County Coroner's Office saying that "no signs of trauma" were found that would have contributed to her death.

As the investigation continues, new details have emerged about the apartment where Panettiere was staying, including what was reportedly found...