Three minutes of added time announced as Rice skews a clearance for a corner..
Torreira spins the ball into a lovely area but Fabianski does well to claim the ball under pressure and relieve some of that pressure from the Hammers.
Full-time here at the London Stadium and what was a lively West Ham side came and took the game to the visitors and earned all three points with a goal straight after the break from teenager Declan Rice. West Ham United 1-0 Arsenal.
Just under five minutes to go here at the London Stadium with what is a record breaking attendance here at the London Stadium, with 59 934 in attendance today. West Ham United 1-0 Arsenal.
Arsenal have the ball in the West Ham net but it correctly ruled out for offside, with Kolasinac several yards offside when receiving Ramsey's lofted pass before Aubameyang converts.
Final substitution of the game as Antonio is withdrawn to a great reception from the home crowd and his replacement is Pedro Obiang.
Unai Emery's Arsenal haven't looked themselves up at the top of the field, Lacazette and Aubameyang with minimal involvement as we hone in on the 80 minute mark.
Just one or two signs that this game is really opening up, as both sides, bolstered by substitutions, throw numbers forward in attack. West Ham United 1-0 Arsenal.
The visitors seeing almost all of the ball in the last few minutes or so as they look for a way back into the game, Ramsey looked to have been a great substitution from Emery as he combines play for the Gunners. Big fifteen minutes left.
Now a double change for the hosts as Andy Carroll and Robert Snodgrass come on to replace Samir Nasri and Marko Arnautovic.
Third and final substitution for Arsenal as Bellerin comes on for Maitland-Niles.
CLOSE! A great break from Arsenal as Ramsey flicks a pass on towards Iwobi on the far side and he bursts into the box before taking aim for the inside of Fabianski's far post but it races a whisker wide of his upright.
Arsenal getting forward well but its the final ball that they haven't found today, West Ham have been great and have a well deserved lead but the visitors are starting to find their feet..
CHANCE! Great chance for the visitors to go level as Kolasinac gets by the left flank after Iwobi threaded the ball through, the Arsenal fullback finds Aubemeyang who blasts a shot over under a little bit of pressure.
CHANCE! Felipe Anderson tries to shift the ball out of play and Maitland-Niles nicks the ball and finds Ramsey, who shifts it onto his right and flicks the ball in the box to Aubameyang but he can't keep his header down.
YELLOW! Antonio does well to beat Kolasinac who comes in late and brings him down, Jon Moss has no choice but to book the Arsenal man.
Double change from Emery as Torreira replaces Xhaka, Ramsey then comes on to replace Mustafi.
CLOSE! Anderson whips a cross in from the right which Ogbonna meets, but he can only glance a header wide of the target.
Emery is going to have to look to his bench after the response from the Gunners isn't good enough, the hosts continue to dominate play and press the visitors back.
Rice's strike was his first Premier League goal, in what is his 42nd match in the competition. Meanwhile, it was a first top-flight assist for Nasri since he teed up a Manchester City goal against Chelsea in April 2016.
GOAL! Rice bags his first West Ham goal just two days before his 20th birthday! Felipe Anderson gets by on the right side and puts the ball in the area, Koscielny fails to clear his lines and Declan Rice blasts one into the top corner!
YELLOW! Guendouzi makes a mistake in midfield and Mustafi is forced to lunge in on Anderson. Free-kick to West Ham on the flank outside the Arsenal box..
Cresswell whips it in and it takes a great header from Kolasinac over his bar for a corner.
Half-time whistle blows as a goalless half comes to a close where both sides had chances but neither keeper tested. West Ham had the better of the two halves but we enter the break West Ham United 0-0 Arsenal.
Jon Moss sounds his whistle once more and Arsenal get the ball rolling, no changes from either coach at the break. West Ham United 0-0 Arsenal.
CHANCE! West Ham move forward well on the counter after Noble played a sweet ball into Zabaleta who burst through the middle. He feeds Antonio who makes room for himself to shoot but it flies high and wide.
Guendouzi gets up to his feet slowly after Nasri brought the 19 year old down outside the Gunner's box, he seems to be clutching his shoulder as the medical staff assist him.
CLOSE! An almost wonder goal from Arsenal's wonder-kid as the guests move the ball up well and Guendouzi moves the ball onto his right foot outside the area and hits a beaut just wide of Hammer's goal.
CLOSE! Best chance of the game falls for the hosts as Arnautovic does incredibly well to run the line and drop it off for Nasri who perfectly lays it off for Anderson who hits one sweetly, but its an inch wide of Leno's post.
BLOCK! Great football around the Arsenal area as Anderson, Arnautovic and Nasri move the ball around quickly which allows Arnautovic to have a dig at Leno but Sokratis comes across to make a heroic block!
Arnautovic darts towards the Arsenal area and gives the ball to Noble with a view to getting it back, but the Hammers captain is dispossessed as they fail to capitalise on the promising position.
CHANCE! A deft flick from Iwobi releases Kolasinac in behind the West Ham defense. The Bosnian chooses not to try and Aubameyang at the far post and instead cuts it back for Lacazette, but Rice senses the danger and clears!
Its been a fast start to the game with chances at either end but the keepers haven't really been tested. There is a great tempo about the game and the West Ham faithful are creating a booming atmosphere inside the London Stadium.
Cresswell nutmegs Maitland-Niles on the left flank and whips a dangerous ball in between the Arsenal defense and their keeper, but a well timed dive lets Leno gather it.
CHANCE! The Gunners move forward well as Guendouzi feeds Iwobi in on the right, its a bit long for the Frenchman who stands the ball up for Lacazette, but he can't keep his header down.
SAVE! Great stop from Fabianski as Lacazette moves extremely well into the box following a great one-two with Iwobi, he has a dig at a tight angle that forces a great low save out of the former Arsenal keeper.
The corner is hit long to Anderson, who after a good one-two with Arnautovic, finds himself some space to hit it on his left peg. Its high and wide though for the man with 8 goals this season.
Cresswell is caught napping on the ball by Maitland-Niles, who kept his spot against Bellerin who recently recovered from injury. Iwobi wastes the the ball and West Ham break and win a corner.
Good bit of play from both sides as they both move the ball up the pitch with speed, the majority of the ball is going out left for the Hammers as Antonio looks to be the most dangerous in claret.
CHANCE! A well worked counter as Antonio gets by Kolasinac with his blistering pace, he finds Noble on the edge of the area, who plays a good one-two before seeing the space to shoot. Unfortunately its on his weaker left foot and it doesn't trouble Leno.
Guendouzi catches Rice out on the edge of the West Ham box but the young midfielder wriggles his way out of danger before releasing the hosts on the counter.
Jon Moss is today's referee as his whistle sounds to get things rolling here at the London Stadium. The hosts get us rolling in what looks to be a tasty London derby.
Good afternoon and welcome to our LIVE coverage between West Ham United vs Arsenal, from the London Stadium.
West Ham XI: Fabianski, Zabaleta, Ogbonna, Diop, Cresswell, Noble, Rice, Antonio, Nasri, Anderson, Arnautovic.
Bench: Adrian, Masuaku, Obiang, Snodgrass, Diangana, Perez, Carroll.
Arsenal XI: Leno, Mustafi, Sokratis, Koscielny, Maitland-Niles, Xhaka, Guendouzi, Kolasinac, Iwobi, Lacazette, Aubameyang.
Bench: Cech, Bellerin, Lichtsteiner, Monreal, Torreira, Ramsey, Nketiah.
The Hammers come into this afternoon's fixture average league form coming in with 7 points out of their last 5 league games. Interestingly enough, Arnautovic also starts for Pellegrini's men despite links with a move away from the Hammers
Unai Emery's Arsenal will be looking to bounce back into form after also taking 7 points out of their last 5 league games, both of those being away from the Emirates. They will be looking to Aubameyang for goals as he looks to cement himself as the top sc
Follow Sport24 on Twitter
"Like" Sport24's Facebook page
Enter and win with Sport24!
Stay in the loop on your BlackBerry
Sport news delivered really simply.
24.com: Legal notices
Advertise on 24.com
24.com. All rights reserved.