India, Aug. 18 -- Hayden Panettiere, who soared to fame two decades ago as a cheerleader with superpowers in the TV show "Heroes" and won country music success playing a singer on "Nashville," has died. She was 36. Police said Panettiere was found unresponsive in an apartment in Greenville, South Carolina, shortly before 2pm on Sunday. Lifesaving measures were performed but she was pronounced dead at the scene. No cause of death has been provided. There were no signs of foul play or suspicious circumstances, police said in a statement. The television star had been open about her struggles with alcohol addiction and depression, including after the birth of her daughter with Ukrainian boxer Wladimir Klitschko in 2014. "It is with profound sad...