Arsenal striker Alexandre Lacazette has been ruled out of action for up to six weeks, the Premier League club have revealed.

“Striker Alex Lacazette had an arthroscopy on his left knee in London on Tuesday morning,” Arsenal stated on their official website on Tuesday.

“The minor procedure was a success and he will now undergo a period of rehabilitation.

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“It is envisaged that he will return to the squad within four to six weeks.”

Lacazette, who joined Arsenal from Lyon for £52m in the summer, has struggled recently but still has nine goals and three assists in 26 Premier League games.

With record signing Pierre-Emerick Aubameyang cup-tied in Europe, it means manager Arsene Wenger only has Danny Welbeck and Eddie Nketiah to call place up front for Thursday’s trip to Ostersunds.

Arsenal are sixth in the Premier League with 45 points from 27 games.

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