Jose Mourinho questioned people sitting in "privileged positions" at Tottenham Hotspur Stadium and whether they are "real" Spurs fans after Eric Dier climbed into the stands to confront supporters.
Tottenham crashed out of the FA Cup in the fifth round following Wednesday's penalty shoot-out loss to Norwich City after a 1-1 draw at the end of extra time.
The match was overshadowed by an incident involving Tottenham's England international Dier, who jumped over advertising hoardings and rushed into the stands as the stadium emptied in London.
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Tottenham head coach Mourinho said the incident involved Dier's brother before the Portuguese discussed fans sitting in the corporate areas of the stadium.