will be yet another nervy wait over injury news after Wednesday’s league clash with Bolton.

Arsenal’s latest causality is Abou Diaby who was forced off after 76 minutes in the 4-2 victory over Owen Coyle’s side.

The 23-year-old was replaced by Craig Eastmond with a suspected calf problem after playing a key part in Arsenal’s comeback and will certainly be missed should he be sidelined for a lengthy spell.

Arsene Wenger had no definite prognosis on Diaby’s injury during his post-match interview but revealed the French midfielder began the game in pain anyway.

And as it stands, only a scan within the next day or two will show how long Diaby will be ruled out.

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“Diaby has a calf strain, from a kick he got at Bolton (on Sunday) on his calf. He went into the game with a stiff calf already and he didn’t survive.” Wenger said.

“I don’t know how long he will be out. You have to check with him because you see more on the scan, so we have to be cautious.”