Title-chasing Arsenal maintained their long unbeaten streak at Villa Park but the woodwork twice denied them victory over Aston Villa as they were held to a goalless draw.
Cesc Fabregas struck the post in first-half stoppage time and then Tomas Rosicky crashed a shot against the underside of the bar after the break.
Villa played their full part in a pulsating end-to-end affair but failed to add the Gunners to the scalps of the other 'big four' teams they have beaten this season - Manchester United, Liverpool and Chelsea.
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