Missed chance. Callum Marshall - West Ham United - shot with the head from few metres goes high. Assist - Lucas Paquetá with a cross after corner.
Mikel Merino - Arsenal - won a free kick in attack.
Fourth official has announced 7 minutes of added time.
Fouled by Mikel Merino - Arsenal
Fouled by Mateus Fernandes - West Ham United
Crysencio Summerville - West Ham United - won a free kick in defence.
Corner - West Ham United. Conceded by Martín Zubimendi.
Corner - Arsenal. Conceded by Konstantinos Mavropanos.
Corner - West Ham United. Conceded by William Saliba.
Lucas Paquetá - West Ham United - won a free kick in defence.
Handball by Gabriel Martinelli - Arsenal
Fouled by Mikel Merino - Arsenal
Jarrod Bowen - West Ham United - won a free kick in defence.
Fouled by Viktor Gyökeres - Arsenal
Jurriën Timber - Arsenal - won a free kick in defence.
Fouled by Crysencio Summerville - West Ham United
Missed chance. Mikel Merino - Arsenal - header inside of six yard box - left side is high and wide to the left. Assist - Gabriel Martinelli with a cross .
Viktor Gyökeres - Arsenal - won a free kick on the left wing.
Fouled by Kyle Walker-Peters - West Ham United
Shot blocked. Mikel Merino - Arsenal - shot with right foot from the centre of the box is blocked.
Corner - Arsenal. Conceded by Lucas Paquetá.
Corner - Arsenal. Conceded by Konstantinos Mavropanos.
Lucas Paquetá - West Ham United - won a free kick in defence.
Fouled by Martín Zubimendi - Arsenal
SUBSTITUTION: Mikel Merino COMES ON FOR Declan Rice
SUBSTITUTION: Kyle Walker-Peters COMES ON FOR Aaron Wan-Bissaka
SUBSTITUTION: Gabriel Martinelli COMES ON FOR Eberechi Eze
Substitution - West Ham United. Kyle Walker-Peters for Aaron Wan-Bissaka.
Substitution - Arsenal. Mikel Merino for Declan Rice - injury.
Substitution - Arsenal. Gabriel Martinelli for Eberechi Eze.
Delay over. They are ready to continue.
Delay in match - injury Declan Rice - Arsenal
Fouled by Bukayo Saka - Arsenal
Crysencio Summerville - West Ham United - won a free kick on the left wing.
SUBSTITUTION: Myles Lewis-Skelly COMES ON FOR Riccardo Calafiori
SUBSTITUTION: Ethan Nwaneri COMES ON FOR Leandro Trossard
Substitution - Arsenal. Myles Lewis-Skelly for Riccardo Calafiori.
Substitution - Arsenal. Ethan Nwaneri for Leandro Trossard.
Lucas Paquetá - West Ham United - won a free kick on the right wing.
Lucas Paquetá - West Ham United - receive yellow card.
Fouled by Riccardo Calafiori - Arsenal
Goal! Arsenal 2, West Ham United 0. Bukayo Saka - Arsenal - converts the penalty with a shot with left foot to the right corner.
Penalty conceded by El Hadji Malick Diouf - West Ham United - after a foul in the penalty area.
Penalty Arsenal. Jurriën Timber draws a foul in the penalty area.
Viktor Gyökeres - Arsenal - won a free kick in attack.
Fouled by Maximilian Kilman - West Ham United
Delay over. They are ready to continue.
SUBSTITUTION: Freddie Potts COMES ON FOR Soungoutou Magassa
SUBSTITUTION: Callum Marshall COMES ON FOR Niclas Füllkrug
Substitution - West Ham United. Freddie Potts for Soungoutou Magassa.
Substitution - West Ham United. Callum Marshall for Niclas Füllkrug.
Delay in match - injury Bukayo Saka - Arsenal
Fouled by Bukayo Saka - Arsenal
El Hadji Malick Diouf - West Ham United - won a free kick in defence.
BOOKING: Crysencio Summerville
Fouled by Crysencio Summerville - West Ham United
Crysencio Summerville - West Ham United - receive yellow card for a foul.
Bukayo Saka - Arsenal - won a free kick in attack.
Fouled by El Hadji Malick Diouf - West Ham United
Bukayo Saka - Arsenal - won a free kick on the right wing.
Jarrod Bowen - West Ham United - won a free kick in defence.
Fouled by Leandro Trossard - Arsenal
Shot blocked. Leandro Trossard - Arsenal - shot with right foot from a diffucult position on the left is blocked. Assist - Declan Rice.
Corner - Arsenal. Conceded by Lucas Paquetá.
Corner - Arsenal. Conceded by Jarrod Bowen.
Missed chance. Bukayo Saka - Arsenal - shot with left foot from outside the box is high and wide to the left after corner.
Corner - Arsenal. Conceded by Konstantinos Mavropanos.
Shot blocked. Crysencio Summerville - West Ham United - shot with right foot from the left side of the box is blocked. Assist - El Hadji Malick Diouf.
Shot blocked. Bukayo Saka - Arsenal - shot with left foot from the right side of the box is blocked. Assist - Leandro Trossard with a cross.
Second Half starts Arsenal 1, West Ham United 0.
Riccardo Calafiori - Arsenal - hits the right post with a shot with right foot from outside the box.
Gabriel Magalhães - Arsenal - won a free kick on the left wing.
Fourth official has announced 5 minutes of added time.
Fouled by Riccardo Calafiori - Arsenal
Fouled by Mateus Fernandes - West Ham United
First Half ended - Arsenal 1, West Ham United 0.
El Hadji Malick Diouf - West Ham United - won a free kick in defence.
Niclas Füllkrug - West Ham United - won a free kick in defence.
Fouled by Eberechi Eze - Arsenal
New attacking attempt. Eberechi Eze - Arsenal - shot with right foot from the right side of the box is saved by goalkeeper in the centre of the goal by Alphonse Areola - West Ham United Assist - Martín Zubimendi with a through ball.
Goal! Arsenal 1, West Ham United 0. Declan Rice - Arsenal - shot with right foot from the centre of the box to the high centre of the goal.
Shot blocked. Eberechi Eze - Arsenal - shot with right foot from the left side of the box is blocked.
Shot blocked. Bukayo Saka - Arsenal - shot with left foot from outside the box is blocked. Assist - Jurriën Timber.
Corner - Arsenal. Conceded by Soungoutou Magassa.
Corner - Arsenal. Conceded by El Hadji Malick Diouf.
Shot blocked. Leandro Trossard - Arsenal - shot with right foot from the centre of the box is blocked.
Missed chance. Viktor Gyökeres - Arsenal - shot with the head from few metres missed to the left. Assist - Bukayo Saka.
Riccardo Calafiori - Arsenal - won a free kick on the left wing.
Fouled by Jarrod Bowen - West Ham United
Gabriel Magalhães - Arsenal - won a free kick in attack.
Fouled by Niclas Füllkrug - West Ham United
SUBSTITUTION: Martín Zubimendi COMES ON FOR Martin Ødegaard
Substitution - Arsenal. Martín Zubimendi for Martin Ødegaard - injury.
Delay over. They are ready to continue.
Delay in match - injury Martin Ødegaard - Arsenal
Fouled by Jurriën Timber - Arsenal
Crysencio Summerville - West Ham United - won a free kick in defence.
Offside - Arsenal. Bukayo Saka is in offside.
Fouled by El Hadji Malick Diouf - West Ham United
Bukayo Saka - Arsenal - won a free kick in defence.
Delay over. They are ready to continue.
Delay in match - injury Martin Ødegaard - Arsenal
Lucas Paquetá - West Ham United - won a free kick in defence.
Fouled by Martin Ødegaard - Arsenal
Leandro Trossard - Arsenal - won a free kick in defence.
Fouled by Aaron Wan-Bissaka - West Ham United
New attacking attempt. Viktor Gyökeres - Arsenal - shot with right foot from few metres is saved by goalkeeper in the centre of the goal by Alphonse Areola - West Ham United Assist - Bukayo Saka.
Missed chance. Eberechi Eze - Arsenal - shot with right foot from the centre of the box goes high.
Delay over. They are ready to continue.
Shot blocked. Riccardo Calafiori - Arsenal - header inside of six yard box - left side is blocked. Assist - Declan Rice with a cross.
Delay in match - injury Konstantinos Mavropanos - West Ham United
Riccardo Calafiori - Arsenal - won a free kick on the left wing.
Fouled by Soungoutou Magassa - West Ham United
Shot blocked. Eberechi Eze - Arsenal - shot with left foot from the left side of the box is blocked. Assist - Leandro Trossard.
Shot blocked. Declan Rice - Arsenal - shot with right foot from outside the box is blocked.
Missed chance. Lucas Paquetá - West Ham United - shot with left foot from the right side of the box goes high. Assist - Jarrod Bowen with a head.
Missed chance. Jurriën Timber - Arsenal - shot with right foot from the right side of the box missed to the left.
Fouled by Jurriën Timber - Arsenal
Crysencio Summerville - West Ham United - won a free kick in attack.
Offside - West Ham United. Niclas Füllkrug is in offside.
New attacking attempt. Jurriën Timber - Arsenal - shot with right foot from the right side of the box is saved by goalkeeper in the centre of the goal by Alphonse Areola - West Ham United Assist - Martin Ødegaard with a through ball.
Martin Ødegaard - Arsenal - won a free kick in defence.
Fouled by Lucas Paquetá - West Ham United
Missed chance. Niclas Füllkrug - West Ham United - shot with the head from few metres goes high. Assist - Lucas Paquetá with a cross after corner.
Corner - West Ham United. Conceded by Riccardo Calafiori.
The teams are on their way out of the tunnel - and we're about to get underway at Emirates Stadium