Antonio Rudiger is no stranger to believing he was racially abused by opposition football fans.
In this report from BBC dated November 18th 2017, Antonio made identical allegations of offensive monkey chants being aimed at him in a Chelsea game versus Roma.
UEFA went to initially charge the Italians, but the BBC confirmed that the charge was later dropped to lack of evidence.
One can draw no hard and fast conclusions from this report; it remains the case that in very noisy and packed stadiums, trying to pinpoint offensive individuals can prove incredibly difficult.
Any allegations of racism must be investigated fully by all the relevant authorities to the fullest extent, irrespective of the volume of evidence to hand.
At this stage, any mobile phone video footage from fans at the Spurs versus Chelsea game has yet to emerge online, however this could merely indicate that it has been passed directly to the police, who are of course investigating the allegation.