Full-Time: ARSENAL 0-0 WEST HAM. There are some boos around the stadium as the full-time whistle goes on a frustrating day for the Gunners.
There's four minutes of added time.
Robin van Persie turns and shoots from 15 yards out but his effort is dragged wide.
Alexandre Song replaces the stricken Vassiriki Abou Diaby.
Vassiriki Abou Diaby is down injured in the centre circle and has to be stretchered off.
Luis Boa Morte gets the final touch and the corner goes out for a goal-kick.
Savio Nsereko wins a corner off Gael Clichy.
Lucas Neill is booked for a challenge on Carlos Alberto Vela.
West Ham build up a little pressure but William Gallas cuts out the attack.
David Di Michele makes way for Luis Boa Morte.
Matthew Upson does well against Emmanuel Adebayor and the Arsenal striker can only head the ball into Robert Green's hands.
Emmanuel Adebayor gets up well to head on another corner but can't find the target.
The crowd are urging Arsenal forward.
David Di Michele is offside and Manuel Almunia at least gets his hands on the ball.
Carlos Alberto Vela is booked for diving in the penalty area.
There's no way through this West Ham defence with just over a quarter of an hour to go.
Emmanuel Adebayor should have scored but his header is straight at Robert Green.
Mark Noble is replaced by Savio Nsereko.
Robin van Persie gets his first touch but is caught by Lucas Neill, although he seems to be okay.
Robin van Persie is on for Nicklas Bendtner.
Pereira Neves Denilson has a shot which flies just over the bar.
The noise level has increased as Arsenal win another corner but Samir Nasri's kick is headed away by Carlton Cole.
Emmanuel Adebayor slides the ball wide from inside the six-yard box from Bacary Sagna's cross.
Emmanuel Adebayor can only toe-poke the ball out for a goal-kick under pressure from Jack Collison and Matthew Upson.
Pereira Neves Denilson's shot is blocked and West Ham are defending for their lives.
Carlton Cole is struggling up front on his own for West Ham.
James Collins is booked for kicking the ball into the crowd.
Arsenal are trying to get forward more but West Ham are still defending well.
Arsene Wenger is stalking the touchline and doesn't look too happy.
Vassiriki Abou Diaby shoots from the edge of the area but it's a snapshot and goes well wide.
James Collins heads the ball off the line as Arsenal step up the pressure and then clears a Pereira Neves Denilson effort.
Nicklas Bendtner gets into the penalty area but his pass is weak and doesn't reach an Arsenal player.
Arsenal have an early corner but Matthew Upson is there again to clear.
The second half gets underway.
The home fans are frustrated as Arsenal have had lost of possession but West Ham have defended well.
Gael Clichy heads the ball away from right on the post from James Collins's header.
West Ham win a corner after Gael Clichy gives the ball away on the edge of his own area.
There are two minutes of added time.
Scott Parker is in the right place again to volley the ball out of the penalty area and foil another Gunners attack.
The crowd aren't happy as Carlos Alberto Vela appears to be fouled on the edge of the area but West Ham are able to break.
Samir Nasri's corners and crosses are causing all sorts of problems and James Collins does well to block a dangerous ball.
The game is lacking in attempts on goal and the keepers have not really been called into action.
Emmanuel Eboue limps off to be replaced by Carlos Alberto Vela.
West Ham play their way out of defence nicely but David Di Michele can't control the ball and Arsenal have it back.
Jack Collison is caught in possession and Arsenal are able to come forward again.
West Ham have their first corner but Arsenal are able to clear.
Emmanuel Eboue is down receiving treatment after a crunching tackle from Scott Parker.
Scott Parker has been outstanding today for West Ham and seems to be everywhere.
There are groans around the Emirates as Emmanuel Eboue misplaces a pass.
Arsenal haven't created a great deal and the fans are already getting frustrated.
West Ham come forward but David Di Michele's cross is cleared by Gael Clichy.
Manuel Almunia makes an easy catch from the free-kick.
Vassiriki Abou Diaby is booked for a late foul on Valon Behrami after he just got beyond the Arsenal man.
Nicklas Bendtner has a chance from Samir Nasri's cross but can't make the most of it.
Gael Clichy and David Di Michele collide but they look to be okay.
Matthew Upson heads Samir Nasri's cross behind for another corner from the left but it's comfortably held by Robert Green.
Arsenal have had lots of possession but West Ham are looking solid.
Pereira Neves Denilson's free-kick is not the best and swerves behind for a goal-kick.
Steve Bennett has a word with Matthew Upson after Emmanuel Eboue is fouled again.
Samir Nasri's free-kick is deflected behind by James Collins for another corner.
West Ham are defending strongly and Emmanuel Eboue wins a free-kick 30 yards out on the right.
Bacary Sagna's cross almost finds Emmanuel Adebayor in the area but West Ham manage to clear the danger.
it's a freezing day at the Emirates and there's not much noise from the crowd so far.
Emmanuel Eboue's effort is well wide after West Ham do well to put him off his strike.
West Ham are able to clear their lines.
Samir Nasri's corner is headed just over the crossbar by Abou Diaby, James Collins getting the last touch for another corner.
Emmanuel Adebayor wins a corner off Matthew Upson.
Arsenal are controlling possession in the opening minutes.
The game gets underway.
It's almost time for kick-off and we should be in for a cracking London derby.
Arsenal
West Ham United
Full time
Full-Time: ARSENAL 0-0 WEST HAM. There are some boos around the stadium as the full-time whistle goes on a frustrating day for the Gunners.
There's four minutes of added time.
Robin van Persie turns and shoots from 15 yards out but his effort is dragged wide.
Substitution
Alexandre Song replaces the stricken Vassiriki Abou Diaby.
Vassiriki Abou Diaby is down injured in the centre circle and has to be stretchered off.
Luis Boa Morte gets the final touch and the corner goes out for a goal-kick.
Savio Nsereko wins a corner off Gael Clichy.
Yellow Card
Lucas Neill is booked for a challenge on Carlos Alberto Vela.
West Ham build up a little pressure but William Gallas cuts out the attack.
Substitution
David Di Michele makes way for Luis Boa Morte.
Matthew Upson does well against Emmanuel Adebayor and the Arsenal striker can only head the ball into Robert Green's hands.
Emmanuel Adebayor gets up well to head on another corner but can't find the target.
The crowd are urging Arsenal forward.
David Di Michele is offside and Manuel Almunia at least gets his hands on the ball.
Yellow Card
Carlos Alberto Vela is booked for diving in the penalty area.
There's no way through this West Ham defence with just over a quarter of an hour to go.
Emmanuel Adebayor should have scored but his header is straight at Robert Green.
Substitution
Mark Noble is replaced by Savio Nsereko.
Robin van Persie gets his first touch but is caught by Lucas Neill, although he seems to be okay.
Substitution
Robin van Persie is on for Nicklas Bendtner.
Pereira Neves Denilson has a shot which flies just over the bar.
The noise level has increased as Arsenal win another corner but Samir Nasri's kick is headed away by Carlton Cole.
Emmanuel Adebayor slides the ball wide from inside the six-yard box from Bacary Sagna's cross.
Emmanuel Adebayor can only toe-poke the ball out for a goal-kick under pressure from Jack Collison and Matthew Upson.
Pereira Neves Denilson's shot is blocked and West Ham are defending for their lives.
Carlton Cole is struggling up front on his own for West Ham.
Yellow Card
James Collins is booked for kicking the ball into the crowd.
Arsenal are trying to get forward more but West Ham are still defending well.
Arsene Wenger is stalking the touchline and doesn't look too happy.
Vassiriki Abou Diaby shoots from the edge of the area but it's a snapshot and goes well wide.
James Collins heads the ball off the line as Arsenal step up the pressure and then clears a Pereira Neves Denilson effort.
Nicklas Bendtner gets into the penalty area but his pass is weak and doesn't reach an Arsenal player.
Arsenal have an early corner but Matthew Upson is there again to clear.
Second half
The second half gets underway.
Half time
The home fans are frustrated as Arsenal have had lost of possession but West Ham have defended well.
Gael Clichy heads the ball away from right on the post from James Collins's header.
West Ham win a corner after Gael Clichy gives the ball away on the edge of his own area.
There are two minutes of added time.
Scott Parker is in the right place again to volley the ball out of the penalty area and foil another Gunners attack.
The crowd aren't happy as Carlos Alberto Vela appears to be fouled on the edge of the area but West Ham are able to break.
Samir Nasri's corners and crosses are causing all sorts of problems and James Collins does well to block a dangerous ball.
The game is lacking in attempts on goal and the keepers have not really been called into action.
Substitution
Emmanuel Eboue limps off to be replaced by Carlos Alberto Vela.
West Ham play their way out of defence nicely but David Di Michele can't control the ball and Arsenal have it back.
Jack Collison is caught in possession and Arsenal are able to come forward again.
West Ham have their first corner but Arsenal are able to clear.
Emmanuel Eboue is down receiving treatment after a crunching tackle from Scott Parker.
Scott Parker has been outstanding today for West Ham and seems to be everywhere.
There are groans around the Emirates as Emmanuel Eboue misplaces a pass.
Arsenal haven't created a great deal and the fans are already getting frustrated.
West Ham come forward but David Di Michele's cross is cleared by Gael Clichy.
Manuel Almunia makes an easy catch from the free-kick.
Yellow Card
Vassiriki Abou Diaby is booked for a late foul on Valon Behrami after he just got beyond the Arsenal man.
Nicklas Bendtner has a chance from Samir Nasri's cross but can't make the most of it.
Gael Clichy and David Di Michele collide but they look to be okay.
Matthew Upson heads Samir Nasri's cross behind for another corner from the left but it's comfortably held by Robert Green.
Arsenal have had lots of possession but West Ham are looking solid.
Pereira Neves Denilson's free-kick is not the best and swerves behind for a goal-kick.
Steve Bennett has a word with Matthew Upson after Emmanuel Eboue is fouled again.
Samir Nasri's free-kick is deflected behind by James Collins for another corner.
West Ham are defending strongly and Emmanuel Eboue wins a free-kick 30 yards out on the right.
Bacary Sagna's cross almost finds Emmanuel Adebayor in the area but West Ham manage to clear the danger.
it's a freezing day at the Emirates and there's not much noise from the crowd so far.
Emmanuel Eboue's effort is well wide after West Ham do well to put him off his strike.
West Ham are able to clear their lines.
Samir Nasri's corner is headed just over the crossbar by Abou Diaby, James Collins getting the last touch for another corner.
Emmanuel Adebayor wins a corner off Matthew Upson.
Arsenal are controlling possession in the opening minutes.
Kickoff
The game gets underway.
Awaiting Kickoff
It's almost time for kick-off and we should be in for a cracking London derby.