Celtic have denied allegations made by Aberdeen that winger Aleksandar Tonev racially abused Shay Logan during Saturday's Scottish Premiership encounter.
The Dons claimed that the 24-year-old directed a racial slur in the direction of Logan during their 2-1 defeat at Celtic Park.
Referee Bobby Madden was informed immediately, while Aberdeen manager Derek McInnes and captain Mark Reynolds were also made aware of the alleged comment.
However, in a statement released to Sky Sports News, Celtic responded by saying: "We have spoken to the player and he has stated that the accusation made is not true."
Tonev joined the Hoops on loan from Aston Villa during the summer.