Everton have stressed they have a 'zero tolerance' stance towards racism and are investigating after a video of fans singing a song about defender Yerry Mina emerged.
Together with football's equality and inclusion organisation Kick It Out the club are looking into the footage, which includes a chant - to the tune of Macarena - containing racist stereotypes about the Colombia international.
The song has similarities to one sung by Manchester United fans about their striker Romelu Lukaku which led to the Old Trafford club issuing a warning to supporters not to sing it again.
The words of the song have been posted on the Twitter account of supporters' group Falcon Blues.
'Everton Football Club is aware of the video posted on social media by an unaffiliated supporters' club,' said an Everton statement.
'We are in contact with Kick It Out and are working with them to investigate the matter further.
'Everton has a zero-tolerance stance towards any form of racism.'
Kick It Out have condemned the chant and warned fans heard singing it that they face stadium bans.
A statement read: 'Kick It Out is aware of footage of alleged racist chanting by supporters of Everton that emerged online.
'Racist stereotypes are never acceptable, irrespective of any intention to show support for a player.
'We have contacted Everton regarding the issue and will be working closely with them to ensure a clear message is sent that the chant is not acceptable.
'If we receive any reports relating to the chant being sung within a stadium, those who will be passed on to the FA and the perpetrators can expect to face punishment.'
Mina has made only seven appearances after a slow start at Goodison Park, making his debut only last month.