Sorry Tosh, only just saw this. My contact who took the pics lives in South Wales, not sure where they work though....didnt ask....didnt want to know cos then I dont have to do anything about it. (I know.....yellow belly, scared, whatever you want to call it)
So, could have been.
Up to you whether you print off pics & tell him his "methods" are being discussed on a forum on the www. No pressure off me to do that though. I would not grass him to H & S. If I knew him I would show him the pics & hope they make him realise how risky his practice is.