In Bolivia, on 25 October 1984, President Hernán Siles Zuazo announced he was going on hunger strike.
He was trying to stop the booming cocaine industry in his country. It was the second time he had taken the job of president and he had been on hunger strike several times before.
His daughter Marcela Siles, tells Laura Jones about her father.
(Photo: President Zuazo. Credit: Getty Images)