South Carolina police close investigation into Hayden Panettiere's death after coroner's ruling

Police in South Carolina have closed their investigation into the overdose death of actor Hayden Panettiere following a coroner's finding that it was accidental. The decision was based on the medical examiner's determination as well as the findings of the investigation, Greenville police said Wednesday in a statement. Panettiere, who starred in the TV series "Heroes" and "Nashville," was…