Russian club CSKA Moscow have denied that their fans racially abused Toure.
The Russian club's deputy media manager Michael Sanadze told Sky Sports News: "There is no subject to discuss. Nothing special happened.
"There was a lot of noise in the stadium. Nobody else, other than Yaya Toure, heard anything.
The only trouble that has come about was because Yaya Toure heard something."
More top news
Clear and cooler conditions to the south and east with lows into single figures.
Police have arrested three teenagers and a man following the shooting of a three-year-old girl with an air gun.
Police have released new images of the site of the fatal crash near Shoreham Airshow in which at least 11 people died.