The 23-year-old faces punishment after leading Arsenal supporters in a series of explicit songs directed at the club's bitter north London rival.Arsenal midfielder Jack Wilshere is surprised by his FA charge for swearing and says his anti-Tottenhamjibes were "a bit of fun".Wilshere is considering contesting the misconduct charge, which came after he sang offensive songs during the Gunners' FA Cup victory parade in London.The 23-year-old was told of the charge by a member of the FA's media department when he joined up with the England squad ahead of Sunday's Euro 2016 qualifier against Slovenia.Wilshere, at Arsenal since 2001, insists he has learned his lesson - but feels the threat of FA disciplinary action is too harsh.

That’s one way [lesson learned] of looking at it. But, at the same time, people have been giving me a lot of stick for having some fun and enjoying myself at the end of [the season], he told reporters.