Jack Wilshere may have landed himself in trouble after appearing to make an offensive gesture towards supporters during Arsenal's 6-3 defeat by Manchester City.
Wilshere appeared to use the gesture in a reaction to ironic cheers after protesting to referee Martin Atkinson's awarding of a goal-kick to City.
The midfielder endured a frustrating afternoon as the home side secured a deserved victory to climb to second in the Barclays Premier League and move three points shy of Arsene Wenger's team.
VIDEO Scroll down to watch: Manuel Pellegrini and Arsene Wenger - post match reactions
The Arsenal manager will already be concerned about Laurent Koscielny being removed on a stretcher after suffering a reported deep laceration to his knee in the first half and Mesut Ozil and Per Mertesacker having an on-pitch bust up at full-time.
'I didn't see that,' said Wenger when asked about the incident.
'I don't know if he did it. If he did it and he receives a ban, we will have to accept it.'
After similar incidents, Liverpool's Luis Suarez was given a one-match and £20,000 fine for improper conduct in a fixture away to Fulham in December 2011, and Stephen Carr a ban and £10,000 fine for a lewd gesture made playing for Birmingham away to Aston Villa in 2010. The FA then used Carr's case as a precedent for punishing Suarez.
Frustrating afternoon: Jack Wilshere didn't play as he might have hoped as Arsenal lost at The Etihad
Significant blow: Laurent Koscielny is Arsenal's best defender and key to their title challenge
Damaging day: But Arsenal manager Arsene Wenger claims he did not see the incident
Euro 2000: A young David Beckham gave a one-finger salute to supporters after England's 3-2 loss to Portugal
