Giles Udy is Britain’s leading historian of the Soviet Gulag system. He is author of the phenomenal ‘Labour and the Gulag: Russia and the Seduction of the British Left’ and is a regular contributor to The Times, The Daily Telegraph, the Daily Mail, the i, UnHerd and the magazine Standpoint.

We sat down to discuss his new book ‘At Dawn They Came: Soviet Terror and Repression 1917 - 1953’, and his time exploring what remains of the Gulag prison system in Russia. He revealed to me the untold horror of the Gulag.