Tottenham star Eric Dier made a "big mistake" in confronting a fan in the crowd following their FA Cup loss to Norwich, according to Jamie O'Hara.
The midfielder, who had scored his penalty in the shootout, was seen diving into the crowd as he sought out a fan.
The incident was captured on camera and Jose Mourinho explained after the game that Dier saw his brother involved in an argument with a fellow spectator.
The Portuguese manager said: "We cannot do (this), but I also repeat, I am with the player and I understand the player."
O'Hara though felt the incident would now stick with Dier and he "should've done better".
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He told talkSPORT : "He’s made a big, big mistake and the problem he’s got now is that’s going to stick with him, that’s what the Spurs fans are going to remember.
"I can understand it because when you see family and someone giving them stick, your emotions can get the better of you.
"But he has to compose himself, he can’t go marauding through the crowd and climbing up the stands to get to them.
"Everyone’s got a camera phone and he’s in a Tottenham shirt climbing through the crowd, it just looks terrible for him.
"We’re all emotional especially after games, and he knows that was a big game for Tottenham and he should’ve done better. The team should’ve gone through and they haven’t, what he can’t do is react."
The incident capped a forgettable night for the north London side whose FA Cup dream ended despite spurning several chances in extra-time.
Jan Vertonghen opened the scoring in the 13th minute before Josip Drmic equalised with 12 minutes remaining.
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