After receiving oxygen on the pitch Ben Arfa was carried off on a stretcher and X-rays confirmed a broken tibia and fibula in his left leg, Newcastle said in a statement on their website.
The 23-year-old will undergo surgery on Monday and his return date is not yet known.
The France international is on a season-long loan at Newcastle from French champions Marseille. He had scored one goal in three matches for his new club.
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