Romelu Lukaku was subjected to racist chants by Cagliari fans prior to scoring the game-winning goal from the spot in a 2-1 Inter victory.
Lukaku endured monkey chants as he stepped up to the spot to take the penalty won by Stefano Sensi midway through the second half.
The striker paused and stared out at the fans after hitting the spot-kick, which he sent past Robin Olsen to re-establish Inter’s advantage.
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It is yet another incident involving the Cagliari fans, who have been accused by multiple black players in recent years of hurling racist abuse.