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SAS: Who Dares Wins star has revealed how he almost 'bled to death' and believed he was going to die during a knife attack.
Mark 'Billy' Billingham - one of the Directing Staff on the Channel 4 show - explained how he was just 15 when the attack took place behind his parents' home in Mossley, Birmingham.
Mark appeared on The Andy Rowe Show where he revealed the fight took place with two brothers.
He explained that when he started to get the better of one, the other came over and stabbed him in the small of his back.
If that wasn't bad enough, the other brother then pulled his legs so the blade ripped through his back.
Speaking to host Andy Rowe, he said: "It was like this gangland warfare sort of thing, where we hated each other one minute or fought together against another gang.
"It was a really mixed up mess and I ended up fighting with these brothers on a railway embankment just at the back of my house."
He added: "I got the better of one brother and, if you can imagine it's an embankment that you've got to cross down.
"So I've got one brother sort of pushing him down the bank kicking him in the face, virtually.
"And his other brother came behind me, stuck the knife in my back and the knife went in the small of my back, he pulled my legs so it went all the way up my back.
"I was very close to bleeding to death for that."
Mark went on to explain how the ordeal inspired him to join the military.
He added: "I think that was it when I realised I am going to die - I've got to get away from this now.
"Friends in that area did get stabbed to death, did get shot, did take drug overdoses.
"So it was the right path to go. That was a hard lesson to learn and I was lucky. Very, very lucky."
Speaking of his options to get away, he said: "The military was the most... the one I thought I'd enjoy which I was right about."
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