He explained that at one point during the onslaught, he looked down and his hand was “hanging off”.
He added: “I thought, ’I’m dead here. This is where I die’. So I accepted it.
“Professor was gone, I couldn’t get him off me. I shouted up to Sham to see if he was still alive and said ‘I can’t get out’.
“This hero, Oleh Shumov, still under fire, jumped out of the trench, grabbed Professor by the helmet and dragged him off my body.”