Bela Karolyi, gymnastics coach who mentored Nadia Comaneci, dies aged 82

Karolyi trained multiple Olympic gold medalists and help turn the US into an international gymnastics power

Bela Karolyi, the charismatic if polarizing gymnastics coach who turned young women into champions and the US into an international power, has died. He was 82.

USA Gymnastics said Karolyi died Friday. No cause of death was given.