He added: "The powers that be have a part to play.
"Has anything happened since that England Under-21 game?
"If it was something silly like someone pulling shirt over their heads to celebrate a goal I am sure Fifa president Sepp Blatter would have been in the media somewhere talking about it.
"Up until now I have not heard anything said."
Blackburn striker Benni McCarthy claimed he was racially abused by Wisla Krakow's Serbian defender Nikola Mijailovic in last Thursday's Uefa Cup tie.