Burnley CEO Neil Hart has labelled the flying of a banner that read White Lives Matter Burnley during his side's defeat at the hands of Manchester City as "disgusting".
Monday's Premier League clash was marred when a small aircraft flew over the Etihad Stadium carrying the message just moments after players from both sides knelt in support of the Black Lives Matter movement.
City went on to win 5-0, with Phil Foden and Riyad Mahrez both bagging doubles and David Silva also finding himself on the scoresheet.
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The actions of the fans that hired the plane and banner have invited wide condemnation, with Burnley captain Ben Mee admitting he was "ashamed and embarrassed" by the incident, and Hart added his voice to their critics with a furious attack on Tuesday.