By not arresting him allowed him opportunity to get his head together and put together a defence. Nothing to indicate this is the case but like said opportunity there
It doesn't say he was head butted in that piece, but it does in others. https://www.givemesport.com/1468161...ed-barnsley-manager-in-the-tunnel?autoplay=on
If we have to rely on the legal establishment catching people off guard, then the whole British legal system is fecked.