Europa League: Kieran Tierney spotted in training as Arsenal prepare to face Villarreal

It's been gathered that Kieran Tierney have returned to training. The full back has been out on the sidelines since he suffer injury earlier this month.

According to reports, Tierney didn't require a surgery and appears he has overcome the problem as the Gunners set to face Villarreal on Thursday night.

Kieran Tierney was seen at the London Colney earlier today, as he gave the thumps up for the camera while spotting the pink training kit.