Hundreds of British people answered Ukraine’s urgent plea for military volunteers to help it fight back when Russian tanks rolled in.Some were novices, who travelled against UK government advice, while others took experience from the Britain’s armed forces.

The journalist Colin Freeman has got to know many of them during his work in Ukraine and is sharing the story of the war through their eyes, in detail, for the first time.

He tells Kate Gerbeau about his book “The Mad and The Brave – The Untold Story of Ukraine’s Foreign Legion”