Video has emerged that appears to show Leicester City manager Nigel Pearson telling a fan to "f*** off and die" during the team's defeat to Liverpool on Tuesday.
Speaking in his post-match press conference earlier in the week, Pearson admitted he'd had an argument with a supporter, saying he told the fan to not "bother coming" if he didn't want to support the team.
At a press conference on Friday afternoon, Pearson, who is unlikely to be disciplined by the club, refused to apologise to the supporter.
The video, which emerged on Vine on Thursday evening, appears to show the 51-year-old saying "f*** off and die" after he is called a "t***" by someone in the crowd, though the sound is slightly muffled.
Speaking after the 3-1 defeat to Liverpool Pearson said: "I replied to one idiot in the stands and if he doesn't like what he sees, then don't bother coming.
"Maybe they ought to think about staying at home, we need support, their support. We've worked hard tonight and will continue to do so."
Speaking ahead of Sunday's Barclays Premier League trip to Aston Villa, Pearson said: "I have had run-ins with fans in the past and in the heat of the moment these things happen and there won't be any apology. Let's put it like this, it's best if we don't speak about what happened on either side, I'm not going to repeat what happened here.
"I am very keen to protect my players and myself and I'm more than happy to stick up for myself in that situation and, more importantly protect my players, that's the root cause of the problem.
"If people were offended by what happened in some ways that is regrettable but there's no need for me to apologise to someone of that ilk."
The defeat left Leicester bottom of the league and Pearson called for fans to back his side.
"I think our supporters do support the players and get behind them," he said. "But I understand the frustrations from lack of results. But questioning players' application and commitment is not the right way to assess what's happening."
Additional reporting from PA
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