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Arsenal were hit with a big blow despite beating West Ham at Upton Park, with the news that Aaron Ramsey has picked up an injury.

The midfielder who has been in his best form this season for the Gunners had to come off in the second half.

His manager Arsene Wenger confirmed that the knock will keep him out for the near future but is uncertain about the extent of the injury.

Wenger said: "I don't know how bad it is but, for sure, the Christmas period he will be out."

Three second half goals spared Arsenal's blushes after a blunder from keeper Wojciech Szczesny gifted West Ham the lead.

Ramsey's replacement Lucas Podolski was influential scoring to help send Arsenal back to the top of the table.