The first half of Saturday's match at Elland Road was the subject of an investigation by the Premier League.
The fourth official was called over by the subs at the half-hour mark after the visitors reported an allegation of racist abuse.
The manager of the stadium will have to deal with the authorities after it was reported, according to Mikel Arteta.
It is a single person and we have done a lot in football to try to avoid it. I don't think a full stadium pays the price.
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There are free highlights from the win at Leeds.
It has to be reported because it was a single incident. The authorities will have to work with the clubs to understand what happened after it was reported.
Gabriel Martinelli scored two goals as the Gunners beat the Whites 4-1.
It was the first away win for the team since October 30 and they got two more goals from Emile Smith Rowe.
It was the only game in the top flight to go ahead on Saturday due to the outbreak of coronaviruses in the league.
The table shows the results of the premier league.
In the race for fourth place, there are four teams with games in hand on the Gunners.
In their last eight matches, Leeds have only one win and are five points away from the bottom of the table.
Hate won't win.
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