Petr Cech (Arsenal) gets a yellow card after the match has ended!
90' The match is over. Final score 1 - 1.
90' Arsenal are pushing forward but Alexis Sanchez's finish is wide of the goal.
90' The fourth official's board shows 4 minutes, which will be added to the second half.
89' To Be Confirmed equalizes with a well-taken penalty.
88' Jack Wilshere (Arsenal) has been booked and must now be careful not to get a second yellow card.
88' West Bromwich Albion have been awarded a penalty in West Bromwich...
85' West Bromwich Albion have been awarded a corner by Mike Dean.
83' Goal! The away team take a 1 - 0 lead through Alexis Sanchez.
82' Craig Dawson (West Bromwich Albion) has received a first yellow card.
79' Arsenal drive forward but Alexis Sanchez is judged offside.
79' West Bromwich Albion push forward at The Hawthorns and James McClean gets in a strike. This is blocked, however, by a determined Arsenal defence.
78' Important block from the Arsenal defence as James McClean fires in a strike for West Bromwich Albion.
78' Jay Rodriguez of West Bromwich Albion smashes in a shot on target. The keeper saves, though.
75' Alan Pardew is making the team's third substitution at The Hawthorns with Allan Nyom replacing Hal Robson-Kanu.
74' Danny Welbeck is replacing Alex Iwobi for the away team.
73' Alex Iwobi for Arsenal drives towards goal at The Hawthorns. But the finish is unsuccessful.
72' The home team replace Matt Phillips with James McClean.
72' Grzegorz Krychowiak is on a sub for Chris Brunt for West Bromwich Albion.
72' Arsene Wenger (Arsenal) is making a second substitution, with Per Mertesacker replacing Laurent Koscielny.
71' In West Bromwich, Granit Xhaka of Arsenal is presented with a shooting opportunity. But the strike is blocked by the covering defence.
71' Arsenal's Alexis Sanchez gets in a shot but it is blocked by a West Bromwich Albion defender.
63' Arsenal's Alexis Sanchez breaks free at The Hawthorns. But the strike goes wide of the post.
62' Arsenal's Alexandre Lacazette gets his shot away but it misses the target.
60' Arsenal have been awarded a corner by Mike Dean.
60' Arsenal's Alexandre Lacazette is on target but unsuccessful.
59' West Bromwich Albion's Chris Brunt has been booked in West Bromwich.
58' Shkodran Mustafi (Arsenal) gets a yellow card.
57' Hal Robson-Kanu (West Bromwich Albion) goes for goal but the shot is blocked by an alert defence.
56' West Bromwich Albion are coming forward and Ahmed Hegazi gets in a strike, it misses the target, however.
56' Corner awarded to West Bromwich Albion.
50' Arsenal's Alexis Sanchez gets in a shot but it is blocked by a West Bromwich Albion defender.
46' In West Bromwich, Jay Rodriguez of West Bromwich Albion is presented with a shooting opportunity. But the strike is blocked by the covering defence.
46' The second-half is underway at The Hawthorns.
45' The first-half is over.
45' 2 minutes of injury time will be added to the first half.
44' Arsenal have been awarded a corner by Mike Dean.
41' Important block from the Arsenal defence as Kieran Gibbs fires in a strike for West Bromwich Albion.
39' Alexis Sanchez (Arsenal) is given an opening but the shot is blocked by a defender.
37' Ainsley Maitland-Niles (Arsenal) has replaced the possibly injured Sead Kolasinac at The Hawthorns.
37' Play has been resumed.
36' The match has been stopped briefly for attention to the injured Sead Kolasinac.
35' Jonny Evans is booked for the home team.
30' Corner awarded to Arsenal.
30' Arsenal push forward through Alex Iwobi, whose finish on goal is saved.
28' In West Bromwich Arsenal drive forward through Granit Xhaka. His shot is on target but it's saved.
27' Chris Brunt of West Bromwich Albion gets in a strike, but is off target.
22' West Bromwich Albion have been awarded a corner by Mike Dean.
20' West Bromwich Albion surge into the attack at The Hawthorns but Jay Rodriguez’s header is off-target.
16' Arsenal's Alex Iwobi misses with an attempt on goal.
14' Arsenal’s Shkodran Mustafi is on his feet again at The Hawthorns.
13' The match at The Hawthorns is underway again.
12' West Bromwich Albion drive upfield and Hal Robson-Kanu gets in a shot. The strike is blocked by a Arsenal defender.
12' The match at The Hawthorns has been interrupted briefly for a check on Shkodran Mustafi, who is down injured.
12' Corner awarded to West Bromwich Albion.
11' Matt Phillips (West Bromwich Albion) gets in a strike but the shot is blocked by a defender.
11' Corner awarded to West Bromwich Albion.
8' Arsenal have been awarded a corner by Mike Dean.
8' Arsenal push forward at The Hawthorns and Alexandre Lacazette gets in a strike. This is blocked, however, by a determined West Bromwich Albion defence.
8' Jake Livermore (West Bromwich Albion) is given an opening but the shot is blocked by a defender.
7' Jay Rodriguez (West Bromwich Albion) goes close with a header but the ball is scrambled away by Arsenal defenders.
5' Arsenal's Hector Bellerin has run offside.
4' Arsenal have been awarded a corner by Mike Dean.
4' Corner awarded to Arsenal.
1' The first-half is now underway.
There are 26233 people in the crowd for today's match.
The official line-ups for today's match are out.