Arsenal spurned the chance to progress to the UEFA Champions League knockout stages on Tuesday after being held to a 3-3 draw by Anderlecht.
Requiring a win for Group D rivals Borussia Dortmund over Galatasaray – which the Bundesliga side duly delivered 4-1 – or a draw at Signal Iduna Park, Arsenal threw away a three-goal lead at the Emirates Stadium.
After a positive Arsenal start, a foul on Danny Welbeck in the penalty area allowed captain Mikel Arteta to open the scoring from the spot 24 minutes in.
And Arsenal were two to the good before the half-hour as Alexis Sanchez lashed past Silvio Proto after his initial free-kick was blocked.
Alex Oxlade-Chamberlain’s strong run and finish made it three before the hour mark, but things quickly went downhill for the hosts – Anthony Vanden Borre’s double inside 12 second-half minutes setting the wheels in motion.