Although the Swede was an unused substitute during Milan’s 2-2 draw at Belgrade, cameras picked up a fan yelling ethnic insults at Ibrahimovic, who has Bosnian roots.
In a statement, the
"Red Star vehemently condemns abusive chants to Zlatan Ibrahimovic during the Europa League match with AC Milan.
"The club did everything in its power to organise the event on a high level and we will not allow a primitive individual to stain Serbia's traditional hospitality.
"We will work with the authorities to identify the offender and we will also insist that he is punished to the full extent of the law.
"Red Star again sincerely apologises to Zlatan Ibrahimovic and we stress that the club will have zero tolerance for such outbursts in the future."
was born in Sweden to a Croatian Catholic mother and a Bosnian Muslim father. Serbia and Bosnia, who were once a part of Yugoslavia before the country’s breakup, occupy a history of racial wars.