Hayden Panettiere, the "Heroes" and "Nashville" actress, died Sunday in Greenville, South Carolina at age 36. Her death comes amid reports of ongoing domestic disturbances involving her boyfriend, according to accounts from neighbors who contacted police.

A neighbor reportedly called 911 multiple times to report disturbances at Panettiere's residence. These calls appear to have occurred before her death, though specific dates and details remain unclear. Law enforcement responded to complaints about noise and activity stemming from her home, according to the neighbor's account.

Panettiere had recently been rebuilding her career after a period away from the spotlight. She returned to acting in the "Scream" franchise and appeared in the Netflix film "A Perfect Pairing" in 2022. Her breakout role came on "Heroes," where she played cheerleader Claire Bennet across five seasons starting in 2006. She later starred as Juliette Barnes on CMT's "Nashville" from 2012 to 2018, earning multiple award nominations.

The actress faced personal challenges in recent years, including publicly discussing struggles with substance abuse and treatment for postpartum depression. She had been open about seeking help and recovery, speaking candidly in interviews about her mental health journey.

Panettiere's death marks a tragic loss to the entertainment industry. Details surrounding the circumstances of her passing remain under investigation. No official cause of death has been announced, though the Greenville Police Department acknowledged receiving calls regarding disturbances at her residence.

Friends and colleagues from the entertainment community mourned her passing on social media, celebrating her talent and impact on television. "Heroes" creator Tim Kring and fellow cast members shared tributes acknowledging her contributions to the show that launched many careers in the mid-2000s.