The Belgian defender appeared to be subjected to abuse by a supporter during a television interview following Monday's victory over Manchester United at Old TraffordManchester City captain Vincent Kompany was racially abused following Monday evening's win over Manchester United.
Abusive comments were allegedly heard during the Belgian's post-match interview alongside James Milner for Sky Sports in the aftermath of City's 2-1 victory at Old Trafford.
The footage in question has now been handed to the police despite neither Kompany or his club lodging an official complaint regarding the matter.
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"The force will work with both clubs and review any footage to investigate the incident."
The incident marks the second Manchester derby controversy this season, after United defender Rio Ferdinand was struck by a coin following Robin van Persie's late winner at the Etihad Stadium in December.