'We Are Trained to Kill, so Civilian Life Is Tough'

Two young men stood nose to nose on a south London street a few months ago, in a furious argument over a minor car accident so heated it had to be broken up by police.

The scene would have been utterly common place, banal even, had one of the young men involved not been the country's greatest living war hero - Victoria Cross recipient Lance Corporal Johnson Beharry.