Arsene Wenger suggested his Arsenal side showed a hint of complacency as they were made to fight for their place in the Europa League semi-finals having fallen two goals behind at CSKA Moscow.
The Gunners were boasting a 4-1 lead from the opening leg but found themselves deservedly behind on the night as Fedor Chalov and Kirill Nababkin pounced on Petr Cech parries to put the hosts within touching distance of an unlikely turnaround.
PLAYER RATINGS: Arsenal stars rated and slated after booking Europa League semi spot
Danny Welbeck halted the comeback with a well-taken goal on 75 minutes, Arsenal's first shot on target on the night.