Blood in the Water - the 1956 Olympics
At the 1956 Olympics, political tension between Hungary and the Soviet Union boiled over during the water polo semi-final.
The confrontation became known as the 'Blood in the Water' match.
Witness speaks to Ervin Zador, the star player on the Hungarian side.
This programme first broadcast in August 2011.
Picture: Ervin Zador, Credit: AFP/Getty Images