Aston Villa are "disgusted and appalled" by social media footage which appears to show some of their fans "chanting a racist song" that makes reference to two of the Premier League side's first-team players.
A video following the team's 5-1 win at Norwich on Saturday's shows a group of Villa fans singing about the club's Zimbabwean midfielder Marvelous Nakamba and one other player, with references to several racial stereotypes.
Villa said in a statement: "Aston Villa is disgusted and appalled by footage circulating on social media of supporters chanting a racist song which makes reference to two of our first-team players.
"The club wholly condemns the chant and urges other supporters to help us identify those responsible."