Seconds remaining and the impact this will have at both ends of the table is dramatic.
90' +2
FOUR minutes added on. Bournemouth are on the brink of a huge victory!
90' +1
B. Afobe enters the game and replaces C. Wilson.
Final change for Bournemouth as Wilson, who was integral to the turnaround, is replaced by former Arsenal man Benik Afobe.
90'
Xhaka slices an effort from distance wide of the target and that edges us towards additional time.
88'
Bournemouth have everyone behind the ball and Arsenal are pumping all they can forward in attack. It's pretty much everything but the kitchen sink for the Gunners.
86'
M. Pugh enters the game and replaces J. Ibe.
Another change for Bournemouth as Ibe, looking set to be the match winner, is replaced by the experienced Marc Pugh.
85'
Don't underestimate the importance of the result for Bournemouth though, as it would fire them four points above the drop and would extend their unbeaten run to four matches. That may just provide the spark of form they need to turn their season around.
84'
Walcott has barely had a sniff since his introduction and he's flagged offside. Just three Premier League victories on the road for Arsenal this season and that woeful record looks set to continue.
82'
The visitors are trying to force it now as Wilshere fires a low effort wide of the post. Even if Arsenal were to find an equaliser it would still be considered a very poor result for the side chasing a Champions League finish.
80'
Arsenal's problems continue to grow with this result. Throw in the fact that it's looking extremely likely that Alexis Sanchez will be on the way out and it sets up a crucial few weeks for the Gunners.
Minute
Description
78'
The drama certainly doesn't look like it's over, as both sides have looked frail defensively and there's a number of players carrying a yellow card.
76'
T. Walcott enters the game and replaces A. Iwobi.
Massive, massive finish ahead of Arsenal. It's not a good time to be a Gooner at all and fingers will be pointed at Cech, who should have done better there too.
Arsenal must go for broke now and Iwobi, who set-up Bellerin's opener, is replaced by Walcott.
74'
J. Ibe has scored a goal for AFC Bournemouth! Assist by C. Wilson.
A. Ramsey enters the game and replaces C. Chambers.
Arsenal make their first change of the game, with Aaron Ramsey making his return from injury and replacing Calum Chambers.
GOAL! Bournemouth turn it around! Wilson takes the ball down superbly inside the box and tees it off to Ibe, who smashes home his first Premier League goal for the Cherries.
Arsenal are caught sleeping as Wilson once again finds room and his play is brilliant. He's been the difference after finally coming into the game.
73'
Petr Cech still waiting for that 200th Premier League clean sheet.
71'
J. Wilshere gets yellow.
The atmosphere has increased tenfold on the South Coast now and Wilshere is booked for a foul.
70'
C. Wilson has scored a goal for AFC Bournemouth! Assist by R. Fraser.
GOAL! An absolute nightmare for Arsenal! Fraser's ball into the centre causes problems and Cech charges off his line but is beaten to the ball easily by Wilson, who has an easy finish!
Fraser's ball was superb but Cech needs to do a lot better there. He's been sub-par this season and must take responsibility for that one.
68'
Lacazette clips the ball over the top to Iwobi but an important intervention from Cook takes it away from the Nigerian, who looked out of confidence as he chased it down.
66'
Bournemouth finding some spark, with Fraser immediately contributing down the right, as his cross loops over the head of Cech and a decisive touch from Chambers at the far post prevents a tap-in.
64'
With that shake-up, Ryan Fraser now looks to be playing at wing-back on the right side. It's a position he has played in before, having started in that role during the defeat to Manchester City last month.
63'
L. Mousset enters the game and replaces C. Daniels.
First change of the game is a Bournemouth one as Charlie Daniels, who has struggled to cope at left-back, is replaced by Mousset. It suggests a change in shape for the Cherries.
62'
Been far too easy for Arsenal since they've gone ahead and Bournemouth need to rally together if they're to find an avenue back into the game.
60'
Heading into an intriguing final half hour here, as Arsenal certainly don't have the points secured yet. With the struggles they've endured recently, there's still a lot to be done on their side.
58'
A coming together outside of the Bournemouth penalty box has left Welbeck receiving treatment, which gives us a short break in play.
56'
G. Xhaka gets yellow.
Xhaka pulls down Ibe, with the former Liverpool man showing threat charging forward, and he's the first Arsenal man to be booked this afternoon.
54'
Bournemouth now face a big test ahead of them as there is a danger that the flood gates look open. The Cherries will need to push forward to try and claw their way back into the game, which will leave spaces for the Arsenal attackers to exploit.
52'
Héctor Bellerín has scored a goal for Arsenal! Assist by A. Iwobi.
Iwobi's through ball was inviting for Bellerin and Daniels had given him far too much space. From there, it always looked like a goal was inevitable as the wing-back had two team-mates in support but he managed to do it himself.
GOAL! Arsenal have the lead and Hector Bellerin has scored for the second Premier League match in a row! The Spaniard bursts forward down the right and has plenty of space to work in. Begovic gets a big hand to the shot but it isn't enough to keep it out.
51'
Bournemouth now showing some bite, with the fans having another half-hearted appeal for a handball inside the box. The Cherries have a corner, only their second of the game, but Fraser's delivery is headed away by Chambers and Gosling fires an effort over the bar.
49'
Passage of the second period has so far been the same as the first, with Arsenal dominating possession but sloppy in play. Bournemouth unable to get going properly and will hope to utilise Wilson's pace more this half.
47'
Arsene Wenger is of course still in the stands for this match, as he serves the last of a three game touchline ban.
45' +1
One minute of added-time at the end of the first half.
45'
Half-time is just around the corner and Eddie Howe will be delighted with his side's performances, particularly in the closing stages of this perod.
KICK-OFF! Back underway, with Bournemouth now kicking to the right. No changes for either side yet.
43'
This has the feeling of a match that will decided by one goal and both teams have seen big opportunities pass them by. Plenty of room for improvement after the break.
41'
Fraser smashes a shot from distance over the bar. It's much, much better from Bournemouth, who are finally showing signs of life.
40'
CHANCE! Huge moment for Bournemouth as they fire forward, with a low ball into the area coming to the feet of Fraser. Chambers slides across to make a crucial block and the resulting corner comes to nothing.
39'
Penalty appeal for Bournemouth as they believe it's struck an Arsenal arm in the box but nothing is awarded.
37'
Another corner for Arsenal and it's another header from Mustafi. He's under a lot of pressure as he dives to get a head on the ball, sending an effort over the bar.
36'
CHANCE! Arsenal go close once again from the resulting corner, as Xhaka's delivery arrives inside the six-yard box and Mustafi knocks a header past the post.
35'
SAVE! Big chance for Arsenal as Lacazette pokes through to Welbeck, who gets in front of the defender but can't beat the onrushing Begovic.
33'
Arsenal are getting a handle on the game in turns of possession but the Gunners don't look too threatening in attack. Welbeck and Lacazette are both due a goal, with their runs without one standing at 11 and seven respectively,
31'
S. Francis gets yellow.
Bournemouth fans angry again as Francis fouls Welbeck and earns a yellow card. It's a definite foul but he certainly has a case to be angry with the fact that he was booked.
30'
After half an hour, Bournemouth will be delighted with how things have gone so far. They've kept Arsenal's opportunities limited and have shown some signs of attacking threat at the other end.
28'
Bournemouth, and their fans in particular, are starting to get aggrieved with the lack of fouls. It's been a scrappy game but Kevin Friend is trying his hardest to let the game flow.
27'
I often feel with Arsenal that it looks like they train without goals, as the Gunners seem superb with their movement and play right until they get around the penalty box. Then the situation changes and it's like they're faced with someone they're not used to.
25'
There's been an absence of class in the opening quarter of this game, with neither side really looking sharp. Arsenal certainly don't look the same without Alexis and Ozil, which is somewhat concerning given the ongoing speculation regarding the pair.
23'
Wilshere bullies his way forward and earns Arsenal another corner, their third of the match. Xhaka's delivery is easily dealt with at the near post and Bournemouth get the ball away again.
21'
D. Gosling gets yellow.
First yellow card of the game is an interesting one, as Gosling goes to ground under pressure from Mustafi and is booked for simulation.
20'
Lacazette is hobbling around after a fair tackle from Ake and Bournemouth are looking increasingly confident, pushing forward in numbers and putting Arsenal under a lot of pressue when they're without the ball.
18'
The hosts seem up for it today whilst Arsenal's players seem to look vervous on the ball. The defensive men have given the ball away sloppily on a number of occasions and those in the attacking third seem reluctant to try their luck at goal.
16'
Bournemouth have the ball in the net after Wilson barges Cech to the ground and taps home but a free-kick is given. Difficult to see why the Cherries striker wasn't given a yellow card there.
14'
Maitland-Niles continues to get himself into attacking areas and he wins Arsenal a corner after his cross is headed behind by Ake. Xhaka delivers once again and Begovic punches away. Bournemouth immediately hit on the counter, led by Wilson, but the chance goes begging.
12'
Ibe wins a free-kick just inside the Arsenal half, which Fraser pumps into the middle but Cech is able to snatch the ball out of the air.
10'
SAVE! Begovic makes the first save of the afternoon, as Iwobi's shot from distance takes a wicked deflection and needs to be turned around the post. Xhaka's resulting corner is headed away.
8'
OFF THE BAR! Lacazette does well down the right and his cross goes across the goal to Maitland-Niles, who takes his time to twist and turn to find some room and then lashes a shot off the crossbar.
7'
Arsenal starting to get going and are seeing a lot of the ball but they're yet to find a sight of goal. Wilshere, on his return to the club where he spent last season on-loan, tried to unleash Lacazette over the top but Begovic is quick off his line to quell the danger.
5'
Meanwhile Arsenal get their first opening at the other end, where Bellerin utilises his electric pace to latch onto a through ball but his lofted cross towards the centre is headed away before Welbeck can net a tap-in.
4'
CHANCE! Bournemouth starting strong here and they're getting their attacking full-backs involved. A cross into the middle is taken down by Smith outside the area, who works into some room and slashes a low drive wide of Cech's left-hand post.
3'
Pretty much the start you would expect here, with both sides knocking the ball around well. Bournemouth have tried to clip a few early passes over the top of the Arsenal defence to catch them out but the back trio of the Gunners has coped thus far.
1'
KICK-OFF! Arsenal get us underway on the South Coast, kicking to the right in the first half.
Good afternoon and welcome to our LIVE coverage of the Premier League clash between Bournemouth and Arsenal, a game that is set to have a huge impact at both ends of the table.
Bournemouth enter this match just a single point above the relegation zone, with Stoke City below them still to play. The Cherries have improved since Christmas, now unbeaten in three, but Eddie Howe's side need to continue that form if they're to pull away from the fierce battle at the foot of the table.
In North London, things aren't red and rosy for Arsenal. The Gunners enter this match five points behind the top-four and have won just one of their last six. Last weekend's FA Cup exit at the hands of Nottingham Forest was followed by a goalless draw with Chelsea in the League Cup but the main talking points are regarding the uncertainty in the transfer window.
Bournemouth XI: Asmir Begovic; Simon Francis, Steve Cook, Nathan Ake; Adam Smith, Lewis Cook, Dan Gosling, Charlie Daniels; Jordon Ibe, Ryan Fraser; Callum Wilson.
Bournemouth subs: Artur Boruc, Harry Arter, Jack Simpson, Benik Afobe, Andrew Surman, Lys Mousset, Marc Pugh.
Arsenal XI: Petr Cech; Calum Chambers, Shkodran Mustafi, Rob Holding; Hector Bellerin, Granit Xhaka, Jack Wilshere, Ainsley Maitland-Niles; Danny Welbeck, Alex Iwobi; Alexandre Lacazette.
Arsenal subs: David Ospina, Sead Kolasinac, Mohamed Elneny, Eddie Nketiah, Per Mertesacker, Theo Walcott, Aaron Ramsey.
Bournemouth make three changes to the side that drew 2-2 with Brighton last time out in the Premier League, with Pugh, Afobe and Arter dropping to the bench. Their places are taken by Ake, Gosling and Fraser. Jermain Defoe remains unavailable due to injury and Eddie Howe seems to fancy his chances in this match, with the Cherries appearing to play with a three-man defensive line.
The big news for Arsenal is the absence of Alexis Sanchez, who Arsene Wenger confirmed isn't in the squad today due to the ongoing transfer speculation. His exit now seems imminent and, with Mesut Ozil carrying a knock, the Gunners are without two of their heavy hitters. Welbeck and Iwobi are the two that get the nod and both have big shoes to fill.
Arsenal have never lost to Bournemouth in their six meetings but know they'll have a challenge on their hands here, just like they experienced on the South Coast last year where they fought from 3-0 down to draw 3-3; the only time they've battled back from that deficit in a Premier League match.
HALF-TIME! Goalless at the Vitality Stadium but both sides have had chances to take the lead. Arsenal came the closest when Ainsley Maitland-Niles struck the bar and they also forced Asmir Begovic into a good save when Danny Welbeck pushed through one-on-one. Bournemouth came closest when Ryan Fraser's shot was blocked by Calum Chambers and the Cherries could have had a penalty.
Bournemouth took a while to get going in the first half but showed improvements after the penalty appeal, when a corner clearly struck the arm of Alex Iwobi. That will provide a boost to the Cherries as they look to extend their unbeaten run to four matches and they'll feel that there's something in this game for them.
Arsenal are under a lot of pressure and they've done nothing in this match to ease those woes. The Gunners have often looked short of ideas in the attacking third, only crafting a couple of opportunities. Welbeck and Iwobi have been unable to fill the void left by the absences of Alexis Sanchez and Mesut Ozil. Could Theo Walcott have an impact off the bench?
FULL-TIME! Bournemouth have turned it around and secured a vital few points! They were left with it all to do after Hector Bellerin fired Arsenal ahead in the second-half but they did superbly, Callum Wilson capitalising on poor goalkeeping from Petr Cech before turning the provider to Jordon Ibe's winning strike.
Four games unbeaten for Bournemouth, four points above the drop zone! It's Bournemouth's first ever league victory against Arsenal but the crucial aspect is it sends the Cherries flying up the table, now sitting in 14th. That will provide Eddie Howe's side with a vital boost ahead of a big week, where they face Wigan in an FA Cup third round replay before clashing with West Ham next weekend.
For Arsenal, the woeful away form in the Premier League continues and they've now lost five of their 12 games on the road this term. Significantly, they're five points behind North London rivals Tottenham Hotspur and could find themselves eight off the top-four if Liverpool win this afternoon. It's now a crucial week for the Gunners on and off the field, with Crystal Palace up next.
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