Actress Hayden Panettiere was found dead Monday at her home in South Carolina [1], [2].

Panettiere was a prominent figure in American television and film, recognized for her roles in high-profile series and movies that reached global audiences.

Emergency responders were called to the residence after a friend discovered the actress. The friend described an "unresponsive female" in "cardiac arrest" during a 911 call, reports said [2]. Authorities confirmed the actress died at age 36 [1], [3].

Panettiere first gained widespread fame for her role in the series "Heroes," where she played Claire Bennet. She later starred in the musical drama "Nashville," and appeared in the film "Remember the Titans" [1].

Officials have not yet disclosed the cause of death [1], [3]. The discovery occurred on Aug. 17 [2], [3]. Local authorities in South Carolina are managing the investigation into the circumstances surrounding the death.

Throughout her career, Panettiere balanced acting with public advocacy. Her sudden death has prompted tributes from colleagues and fans across the entertainment industry who remembered her versatility on screen [1].

"unresponsive female" in "cardiac arrest"

The death of Hayden Panettiere marks the loss of a versatile talent who transitioned from child acting to leading roles in major network dramas. Because the cause of death remains undisclosed, public attention is likely to remain on official coroner reports from South Carolina to determine if the event was sudden or related to ongoing health issues.