Arsenal midfielder Jack Wilshere has vowed to 'stay strong' after suffering a setback at training today.

The 20-year old is trying to return to the fray after a frustrating time on the sidelines with an ankle injury but could miss the remainder of the season after breaking down on the training ground.

Wilshere confirmed he had a setback which he describes as annoying but will remain strong as he looks to get back to playing regular football.

"It is true I have had a set back [sic] I can't tell you how long I have been set back because I don't know! I am very annoyed but will stay strong," he posted on Twitter.

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