This article updates itself. There is no need to refresh this page. Last Updated at 10:56 pm, November 6th 2013
THAT'S IT. What a result for the Gunners. Stick with us for report and reaction on an incredible night for Arsenal.
Another change as Vermaelen is on for Rosicky.
Change for Arsenal as Bendtner replaces Giroud.
Last throw of the dice for Dortmund as Reus goes off to be replaced by Schieber.
Changes for Dortmund as the pacy Aubameyang comes on for Blaszczykowski while Bender makes way for Hofmann.
ARSENAL LEAD. Incredible. Ramsey bundles the ball over the line with his head after Giroud flicks on Ozil's centre. The three have scarcely been in the game. What a moment for the Gunners.
Dortmund have the ball in the net after more great play from Lewandowski but the assistant's flag saves the visitors. They are having to repel wave after wave of yellow attacks.
That's the interval. No goals and no chances for the visitors - but at least they go in level. If you want to get in touch with your thoughts on that first half you can. Get in touch via Twitter - @skysportswebed - or firstname.lastname@example.org
Booking for Lewandowski as he slides in unfairly on Ramsey.
Booking for Arteta as Blaszczykowski looks to wriggle free.
The atmosphere is building now. What a wonderful stadium this is. Here's some more feedback from Chris who says: 'Coming to Signal Iduna Park can be a daunting task for any team, and I don't think Arsenal's players will find it easy if the atmosphere lives to expectations this evening. I expect the Gunners to win this one and get revenge on their opponents for what happened at the Emirates last month. Obviously, this won't be an easy match for the gunners, but their form has been stunning of recent, and if can produce another positive performance, they should have a good chance of claiming all 3 points.'
More from Twitter and @MattydBWFC says: 'Neutral fan here! I can see Arsenal putting up a real fight tonight, I can see 1-1, Giroud and Reus with the goals!'
Krishanu tweets: '@skysportswebed Arsenal will miss the steel in the middle of the park without flamini & wilshere, but ramsey & arteta would do just fine.'
Thanks to @donkevz who tweets: '@Skysportswebed An early goal for Arsenal will really unsettle Borrisia Dortmund, this can cause the Gunner to win this match #Gunners.'
Matt's been in touch to say: 'Huge test for Arsenal tonight. Dortmund are beatable though & an early Arsenal goal could unsettle them sufficiently. A point would be great though realistically & discipline will be key.'
Still awaiting news of the teams but another prediction from Anthony who says: 'I am a massive Gooner and think we need another big performance from Cazorla.' Anthony is going against the odds with a 2-1 win for the visitors. Get your money on that then my friend. Sky Bet are quoting 12/1.
Very early prediction through from Mamun - and it's an optimistic one. Mamun says: 'Arsenal to win 2-0 with Giroud netting once and Aaron Ramsey also on target.'
Arsenal are rank outsiders with Sky Bet to come away from Germany with a win. They're 7/2 to triumph while the odds on a draw are 100/30. There's an interesting price boost on first goalscorer though with Mesut Ozil now 14/1 from 10/1. Might have a bit of that myself.
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UEFA Champions League
Wed 6th Nov - Group G
Zenit1 - 1FC Porto
A Madrid4 - 0Austria Vienna
Wed 6th Nov - Group H
Ajax1 - 0Celtic
Barcelona3 - 1AC Milan
Wed 6th Nov - Group E
Basel1 - 1S Bucuresti
Chelsea3 - 0Schalke
Wed 6th Nov - Group F
Napoli3 - 2Marseille
B Dortmund0 - 1Arsenal
UEFA Champions League Group A
UEFA Champions League Group B
UEFA Champions League Group C
|1||Paris St Germain||6||13|
UEFA Champions League Group D
|3||FC Viktoria Plzen||6||3|
UEFA Champions League Group E
|4||FC Steaua Bucuresti||6||3|
UEFA Champions League Group F
UEFA Champions League Group G
|2||Zenit St. Petersburg||6||6|
UEFA Champions League Group H