Hayden Panettiere's cause of death: What authorities say

Hayden Panettiere's cause of death has not yet been officially determined, according to authorities investigating the sudden death of the "Heroes" and "Nashville" actress. However, the Greenville County Coroner's Office said in a press release Monday that she was found in cardiac arrest prior to her death. Panettiere died on Sunday, August 16, 2026, at age 36 after she was found unresponsive at a residence in Greenville, South Carolina. Although emergency dispatch communications reportedly referenced a possible overdose, authorities have not announced that an overdose caused her . . .