Watch Panorama Season 8 Episode 46 Online

In the days leading up to the construction of the Berlin Wall, this special edition of Panorama has Richard Dimbleby reporting live from the city on the spot where a single nail in the cobblestones signifies the divide between Eastern communism and Western democracy. Meanwhile, Ludovic Kennedy visits a refugee camp in West Berlin and talks to those who have fled from the East, people in New York and Bristol give their opinions on the Cold War, and Foreign Secretary Lord Home talks about the stance of the British government as the crisis escalates.