After a dramatic final few minutes it ends Arsenal 3 - 2 Southampton.
90'
RED CARDS ALL ROUND!
Jack Stephens is off as he reacts aggressively - taking a swipe at Jack Wilshere for pulling him back. Mohamed Elneny is off for the Gunners for raising his hands at Cedric - something you cannot do in this day and age. So it's ten on ten for the final couple of minutes.
90'
INJURY TIME
Four minutes added on!
90'
Yellow Card
Wesley Hoedt (Southampton)
90'
Red Card
Mohamed Elneny (Arsenal)
90'
Yellow Card
Jack Wilshere (Arsenal)
90'
Red Card
Jack Stephens (Southampton)
87'
CLINGING ON!
Southampton are really trying to apply the pressure, and Arsenal are holding on - looking to get the ball upfield to ease the burden.
85'
CHANCE!
Nice work from Josh Sims who plays in Tadic, who's shot forces a save from Petr Cech. They're pushing for it!
84'
ARSENAL 3 - 2 SOUTHAMPTON
Can the Saints respond or is there nothing left in the tank? They have done it twice already.
81'
Goal
Danny Welbeck. Assist by Alex Iwobi (Arsenal)
80'
Substitution
Josh Sims (on). Shane Long (off). (Southampton)
80'
GOAL!
Arsenal re-take the lead! Danny Welbeck gets his second, after that glaring miss. He connects with a fine Alex Iwobi cross, smashing in at the back post. Advantage Gunners. Arsenal 3 - 2 Southampton.
79'
LONG TIME COMING
Shane Long is finally taken off with Josh Sims replacing him.
77'
ARSENAL 2 - 2 SOUTHAMPTON
Saints are pushing for the winner here, with a limping Shane Long getting a shot away, but it's still anyone's game.
74'
Substitution
Rob Holding (on). Hector Bellerin (off). (Arsenal)
73'
Goal
Charlie Austin. Assist by Cedric (Southampton)
73'
GOAL!
He's literally just come on but he's got the equaliser! Charlie Austin makes it 2 - 2 after some neat footwork from Cedric who collects a pass and dances into the box delivering a perfect ball for Austin to smash home. Super sub to the rescue! Arsenal 2 - 2 Southampton.
72'
Substitution
Charlie Austin (on). Maya Yoshida (off). (Southampton)
72'
FRESH LEGS
Alexandre Lacazette is on replacing Pierre-Emerick Aubameyang, who was starting to look disinterested, playing a loose cross straight into the hands of Alex McCarthy.
This time Wesley Hoedt gets a shot away. Another great save from Cech, who forces it wide for a corner. James Ward-Prowse steps up again to take what feels like his 100th corner.
64'
Substitution
Jack Wilshere (on). Reiss Nelson (off). (Arsenal)
60'
SAINTS PRESSURE
Far from down-and-out, Saints are applying more pressure on the Arsenal defence. This time they load the box with a succession of crosses from Cedric and Ryan Bertrand. Followed up by a headed effort from Long, eventually winning the visitors another corner for James Ward-Prowse to deliver.
57'
CLOSE!
This time Wesley Hoedt gets a headed shot away connecting with a James Ward-Prowse corner, but it's cleared off the line.
53'
CHANCE!
Saints respond with a great effort from Pierre-Emile Hojbjerg, who has Petr Cech flapping.
50'
Yellow Card
Hector Bellerin (Arsenal)
50'
ARSENAL 2 - 1 SOUTHAMPTON
Granit Xhaka and Pierre-Emerick Aubameyang both force decent saves from Alex McCarthy, as well as Alex Iwobi going close. Great pressure from the hosts.
44'
CHANCE
A decent chance for the Saints, as James Ward-Prowse takes a right-footed shot which flies just wide of the post.
42'
ARSENAL 2 - 1 SOUTHAMPTON
The Gunners do well to take the lead just before half time and are looking comfortable now. Granit Xhaka is spraying the ball around nicely in midfield.
38'
Goal
Danny Welbeck. Assist by Alex Iwobi (Arsenal)
38'
GOAL!
Arsenal take the lead! This time it's Danny Welbeck who gets his name on the scoresheet with a deflected effort. He cuts in from the left hand side and his shot goes in off Maya Yoshida's legs. Arsenal 2 - 1 Southampton.
4'
OUCH!
Reiss Nelson is clattered early on, as Dusan Tadic takes the youngster out, after a neat dummy.
36'
FREE KICK
Oriol Romeu gives away a dangerous free kick, which Granit Xhaka is standing over. He blasts the ball over the bar - resulting in sighs from the remaining Arsenal faithful.
32'
ARSENAL 1 - 1 SOUTHAMPTON
Arsenal are piling on the pressure now. A couple of successive corners from Granit Xhaka, resulting in shots from Pierre-Emerick Aubameyang and a speculative effort from Calum Chambers trying to do his best Cristiano Ronaldo impression.
29'
GOAL!
Equaliser for the Gunners! It's that man Pierre-Emerick Aubameyang making it one a piece. A great flick from Danny Welbeck plays in Aubameyang, allowing him to dink the ball past Alex McCarthy in the net. Arsenal 1 - 1 Southampton.
28'
Goal
Pierre-Emerick Aubameyang. Assist by Danny Welbeck (Arsenal)
24'
ARSENAL 0 - 1 SOUTHAMPTON
Arsenal are trying to up the tempo, they are seeing the majority of the possession, however they are still lacking any clear cut chances. Pierre-Emerick Aubameyang is flagged offside.
20'
LONG TIME COMING
That was Shane Long's second goal in 48 matches. What's the opposite of prolific?
17'
Goal
Shane Long. Assist by Cedric (Southampton)
2'
ARSENAL 0 - 0 SOUTHAMPTON
The Gunners make seven changes for this game with Mesut Ozil on the bench. Saints make four changes with Shane Long starting upfront.
63'
SUB
Jack Wilshere is on for the hosts. Arsene Wenger looking to add some drive to this Arsenal midfield.
63'
OFFSIDE
Shane Long is flagged offside after having the ball in the back of the net. Unfortunate but the right decision, after a good spell of pressure from the visitors.
48'
INJURED?
Shane Long is not looking comfortable and I'm surprised to see him back out on the pitch for this half. I doubt he will be on for long…
46'
KICK-OFF
Arsenal get us back underway. What sort of response can Southampton provide?
45'
CLOSE!
Pierre-Emerick Aubameyang's cross is played out for a corner which Granit Xhaka takes. Calum Chambers gets on the end of it, but his shot is blocked.
45'
HALF TIME
The Gunners take their lead into the interval. Arsenal 2 - 1 Southampton.
16'
GOAL!
And Southampton take the lead! They've looked the better team and have capitalised on some slack Arsenal defending, hitting them on the break. Cedric plays a cross in and Shane Long latches on to it, losing Shkodran Mustafi and poking home. Arsenal 0 - 1 Southampton.
13'
LONG BALL
Shane Long latches onto a long ball, but his pass to Dusan Tadic is not the best - sending the chance begging. Mark Hughes is not happy as there seemed to be a tug on the shirt from Calum Chambers.
12'
ARSENAL 0 - 0 SOUTHAMPTON
The Saints are looking the more lively of the two teams thus far.
10'
MUST WIN
Southampton have won only one of their last 18 games. They are in dire need of the three points today.
1'
KICK-OFF
We are underway here at the Emirates Stadium. A slightly more positive feeling here, after the midweek Europa League crushing of CSKA Moscow.