A supporter was arrested for throwing an object on the pitch during the north London derby between Arsenal and Tottenham.
Metropolitan Police confirmed to Omnisport that seven arrests were made, including one for throwing a missile onto the field of play during Sunday's Premier League game at Emirates Stadium.
Television replays showed a banana skin present on the pitch as Arsenal celebrated their opening goal, scored by Gabon international Pierre-Emerick Aubameyang from the penalty spot.
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Aubameyang later scored again with Alexandre Lacazette and Lucas Torreira also on target in a 4-2 victory for the hosts.