Media playback is unsupported on your device

Getty Images

Video

Marine Skater Seamless Blue Gray Stripes 2 Cute Doodle Womens CowCow Whales Dress 0BAqXwX

When a Russian dissident was poisoned in London with a highly radioactive substance, the UK government accused the Kremlin of his murder.

Gray Blue Doodle Skater 2 Cute Marine Seamless Whales Stripes Womens CowCow Dress Alexander Litvinenko had been a colonel in the Russian security services, but claimed the Putin government was corrupt.

In November 2006 he suffered an excruciating death after he was poisoned with Polonium 210. His wife Marina was at his bedside.

Witness: The stories of our times told by the people who were there.

  • 25 Nov 2017
Go to next video: The dog that orbited the Earth