If the content of the thick thugs post is true, and LUFC officials have said "no case to answer", then there ain't much Barber can do about it. PC Daz however could. It is a clear case of assault. Cut & dried. Fill your boots PC Daz.
And although I am no great fan of Barber, he would be 100% correct.
I hope Barber ensures that Leeds slap a ban on that thug or refers it to the FA if they refuse. You really can't have fans laying hands on opposing players. One for PC Daz here .......surely that was an assault?