Mario Balotelli and Yaya Toure have racist chants directed at them
Mario Balotelli complained to officials that he had received racist chants from sections of the Porto FC supporters during last night's Europa League fixture in Porto.
Manchester City FC media officers had informed BBC Radio 5 commentators that they suspected some of the Porto fans had been directing racist chants at both Mario Balotelli and Yaya Toure.
The full story is reported on the BBC website here
BBC Radio 5 commentator John Murray said that "When he (Balotelli) was substituted you could clearly hear it."
The BBC says that Manchester City plan to report the incident to UEFA today.
Updates to follow...