Chesterfield have been asked by The FA to launch a full investigation into the events after the final whistle in Saturday's game at Port Vale.As the teams left the pitch, Chesterfield's black players were the subject of racist taunts from a small section of Port Vale fans.
Chesterfield chief executive Chris Turner said: "Any form of racism cannot be tolerated. We have been asked by The FA to launch a full investigation, which will involve speaking to our players.
"I spoke to Port Vale chairman Norman Smurthwaite after the match and he said they would hold their own investigation.
"We will make no further comment on the matter while the investigation is taking place."