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Wenger feared Arsenal game would be called off amid fan arrests
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Cologne boss offers 'no comment' to Emirates Stadium crowd trouble
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Bellerin backs Arsenal to go far in Europa League
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Arsenal analysis: Uefa action beckons as Sanchez rescues the Gunners
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Arsenal 3 Cologne 1: Sanchez lights up a fiery Emirates Stadium
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Fans arrested as riot police deployed amid chaotic scenes at Emirates
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