Actress Hayden Panettiere, known for her roles in ‘Heroes’ and ‘Nashville,’ dies at 36

(NBC, KYMA) - Actress Hayden Panettiere is dead at 36, Panettiere's father confirmed her death Sunday night.

The cause and manner of death have not been released, and her death is under investigation, with more information expected.

Panettiere had recently opened up about her struggles with postpartum depression and addiction.

She said those challenges contributed to her decision to give up custody of her daughter, Kaya, in 2018. She shared Kaya with her former partner, Ukrainian professional boxer Wladimir Klitschko.

The 36-year-old actress was known for her roles in "Heroes" and "Nashville."