Alberto Juantorena: Cuba's 'White Lightning'

In 1976, the Cuban runner, Alberto Juantorena, pulled off a unique double at the Montreal Olympics - winning both the 400 and 800 metres. The victory made the athlete known as 'White Lightning' a hero on the Communist island. He talks to Will Grant.

(Photo: Alberto Juantorena winning the 800 metres in 1976. Credit: Getty Images).