Reporters from Sky Sports claimed that monkey chants had been heard during the course of City’s crucial 2-1 win over the group rivals, which keeps Manuel Pellegrini’s team on course for a place in the competition's knock-out stages.
Toure is believed to have been the target of this chanting which marred an otherwise engaging encounter that saw the Citizens fight back from a goal down to claim victory courtesy of a double from Sergio Aguero.
Speaking to the digital television broadcaster after the conclusion of the match, the Ivory Coast international admitted he had been aware of the negative crowd reaction and had subsequently informed the referee of the situation.
Describing the incident as “quite disappointing,” the ex-Barcelona star called on the governing body of the European game to take swift
"It is unbelievable and very, very sad. We want to stop that and UEFA have to be strong, maybe close the stadium,” he told the broadcaster.
"It is always sad when you hear something like that and we need to do something."
Of course, Russian football is no stranger to incidents of this nature.
Former Blackburn Rovers and Queens Park Rangers defender Chris Samba has faced similar abuse during his time in the region, with his first spell in the country seeing the player pelted with a banana by one particular fan.
And the incidents are likely to continue unless those with the power to make changes usher in measures that punish fans and host teams appropriately.
image: © marc_tacoma