"It is a very bad situation for everybody and for the Spanish people," said the Liverpool boss. "I know it is a small group but as somebody from Madrid it is something that shocked me even more.
"I have not seen anything like that from the Spanish supporters in a lot of years.
"The Spanish government and FIFA must do something but, as a manager, the only thing I can say is that I condemn this situation and we don't want it to happen again."
