(CNN)Italian football club Lazio has blamed "isolated elements" within its support for racist abuse directed at AC Milan midfielder Tiemoue Bakayoko at the Italian Cup semifinal match between the clubs on Wednesday.
Tiemoue Bakayoko: AC Milan player subjected to racist abuse by Lazio fans
Lazio fans could be heard chanting "this banana is for Bakayoko" before and after the match at Milan's San Siro stadium, according to ANSA news agency and social media videos.
Italian sport paper, Gazzetta dello Sport, also reported that inflatable bananas were spotted in the stadium.
Bakayoko, who is a midfielder, is on loan from Premier League club Chelsea.
The incident happened as eight Lazio supporters are being investigated for holding up a banner reading "Honor to Benito Mussolini" and performing fascist salutes in the northern Italian city, a police spokesperson confirmed to CNN.
The fans are expected to be charged for "fascist manifestation" in the course of an investigation led by the head of the anti-terrorist unit Alberto Nobili.
Thursday is Liberation day in Italy, a public holiday in which Italians celebrate the end of Nazi-fascism.