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Arsenal's difficult week continued as their Premiership debut-ant, Gervinho, was sent off on his Gunners debut and they were unable to break down a stubborn Newcastle side, reports the BBC.
The Ivorian striker was shown a red card with 14 minutes to go when he slapped Joey Barton after the pair had tangled in the penalty area.
Arsenal, who left Cesc Fabregas and Samir Nasri out of their squad, had struggled to create meaningful chances.