BREAKING - Mikel Arteta handed huge Arsenal injury boost ahead of Athletic Club

Mikel Arteta has been handed a huge injury boost ahead of Arsenal's Champions League clash with Athletic Club on Tuesday night.

The Gunners return to European action just days after their 3-0 win over Nottingham Forest in the Premier League. A brace from Martin Zubimendi and a sole Viktor Gyokeres strike was enough to ensure Ange Postecoglou's return to management ended in defeat.

The north Londoners now turn their attention back to the Champions League and Arteta will be hoping to go one better than last season, where they reached the semi-finals. Athletic Club are Arsenal's first opponents in the league phase of the competition and the Gunners squad were put through their paces during an open training session on Monday.

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In what is a huge boost, William Saliba was among those to take part in the session. The Frenchman was taken off early in the 1-0 defeat to Liverpool before the international break after suffering an ankle injury and missed Saturday's win against Forest.

In other news, Martin Odegaard was not among those to take part in the session after limping off against Nottingham Forest.

This is a breaking story. We will bring you more as we get it...