"We have to do something," he said. "The best way to counter it is by beating their team, but I know what I would be prepared to do if one day it goes too far, and it would surprise people."
"We know we'll get some racist abuse and I am concerned, not only for my team but for football in general, because it's creeping back into the game.
"We handled it in the past and we'll handle it again in a very strong and dignified way, but I will not ignore the problem.
"We have to do something to eradicate the problem now."