Arsenal have denied midfielders Jack Wilshere and Mathieu Flamini were involved in a training ground altercation on Friday.
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Wilshere appeared visibly irate with the Frenchman at Arsenal's Colney training base and had to be calmed down by right-back Bacary Sagna.
The photographs of the altercation were captured by the club's chief photographer, Stuart McFarlane, yet were still released through a photo agency.
Arsenal, however, insisted the pair were joking following a keep-ball session.
Özil reacted angrily to Flamini shoving him for not tracking back just moments before Bayern doubled their lead.