Arsenal missed the chance to draw level on points with third-place Tottenham Hotspur in the Premier League after being held to a 1-1 draw by 10-man Wolves at the Emirates Stadium.
The result left Arsenal in fifth place, two points behind their north London rivals ahead of Spurs' match at Norwich later Tuesday.
Gervinho gave Arsenal an eighth minute lead when, following a superb through ball from Israeli playmaker Yossi Benayoun, the forward rounded Wolves keeper Wayne Hennessey.
But Wolves, now two points above the relegation zone, were level shortly before half-time when a corner came out to Stephen Hunt, whose shot took a deflection before Steven Fletcher reacted quickly to head in an equaliser.
In a niggly sceond half, Arsenal had a penalty appeal for handball by Christophe Berra turned down.
Then, with 15 minutes left, Wolves were a man down when Nenad Milijas was sent off by referee Stuart Atwell for diving in on Mikel Arteta.
Arsenal pressed for a winner, with Robin van Persie twice denied by Hennessey before the Welshman saved well from Thomas Vermaelen as Wolves held out.
Man u level with city
Dimitar Berbatov scored a hat-trick as rampant Manchester United beat Wigan Athletic 5-0 to go level on points with Manchester City after the leaders were held 0-0 at West Bromwich Albion on Monday.
Berbatov scored twice before converting a late penalty, with Park Ji-Sung and Wigan old boy Antonio Valencia adding United's other goals against the visitors who had Conor Sammon sent off late in the first half.
City and United have 45 points from 18 games followed by Tottenham Hotspur (35) who have two matches in hand and visit Norwich City on Tuesday.