German side, Eintracht Frankfurt, came from a goal down to beat Arsenal 2-1 at the Emirates Stadium in their Europa League Group F match on Thursday night.
Tonight’s defeat further increases pressure on Gunners’ head coach Unai Emery.
Arsenal have now gone seven games without a win – the first time they have had such a run since 1992.
They also missed another chance to conveniently secure their place in the knockout stage before the final match.
Pierre-Emerick Aubameyang struck on the stroke of half-time to give the Gunners an advantage at the break, but two goals in nine second-half minutes from Daichi Kamada turned the game on its head.
Arsenal pushed in search of an equaliser, but they failed to really create anything of note as the Bundesliga side held on for a famous victory in north London, which also keeps their hopes of qualification alive.
Defeat doesn’t really damage Arsenal’s hopes of reaching the knockout stages because their superior head-to-head with Standard Liege, who they play in their final group game, needs it would take a 5-0 defeat for the Gunners in that game to be eliminated.
See results from all matches:
Astana 2- 1 Manchester United
Krasnodar 1-0 Basel
AZ Alkmaar 2-2 Partizan Belgrade
BSC Young Boys Bern 1-2 FC Porto
Besiktas 2-1 SK Slovan Bratislava
Braga 3-3 Wolverhampton Wanderers
CSKA Moscow 1-1 Ludogorets
FC Oleksandria 0-1 Wolfsburg
Ferencvaros 2-2 Espanyol
Feyenoord 2-2 Rangers
Istanbul Buyuksehir 0-3 Roma
RZ Pellets WAC 0-1 M’gladbach
St Etienne 0-0 AA Gent
Arsenal 1-2 Frankfurt
Celtic 3-1 Rennes
F91 Dudelange 0-2 Apoel
Lugano 0-1 FC Cop’hagen
Lazio 1-0 Cluj
Malmo FF 4-3 Dynamo Kiev
Rosenborg 1-2 Linz ASK
Sevilla 2-0 Qarabag
Sporting 4-0 PSV
Vitoria S.C 1-1 S Liege