Lehmann fumbles a shot from Robben and the rebound falls to Lampard. He looks certain to score but hits the inside of the post after a good block from Flamini.

Chelsea will wonder how they did not win this game as Essien somehow crashes a shot off the underside of the bar from a few yards out.

Chelsea are pushing for the winner but Arsenal aren't just sitting back.

Ljungberg gets to the byline and pulls a great ball back for Hleb coming in at the far post, but he blasts over the top from inside the area.

Robben crosses from the left and Drogba is allowed a clean header but the ball flies past the angle.

Makelele plays the ball into Drogba but Lehmann races out to put the striker off and the ball goes the wrong side of the post.

Van Persie almost gets behind the Blues defence but he loses sight of the ball and Essien helps it back to Hilario.

Arsenal win a free kick from distance and Fabregas tries his luck but the shot is wide of the post.

Robben is is played in wide on the left side of the area and his effort fizzes across the face of goal and just wide of the far post.

Robben goes past Djourou and his effort is palmed across the goal by Lehmann but Drogba cannot get his foot to the loose ball and Arsenal clear.

It's a decent stint for Chelsea but the move breaks down when Gilberto Silva is shoved over by Robben down on the right-hand byline.

Jose Mourinho will be looking for the two new additions to try and add some cutting edge to his side as they have struggled in this half.

Drogba goes down in the area theatrically and Lehmann pushes him to the ground. Drogba gets up and barges into the German keeper.

Adebayor goes on a charging run towards the Chelsea goal and plays in Fabregas but his shot is saved by Hilario. Arsenal come back again and Flamini's effort is well wide.

Lampard takes a free kick a good 30 yards from goal but his effort is well off target.

Ashley Cole commits another foul and he will have to be careful not to get a red card the way he is charging around.

After much debate Geremi finally takes the free kick 25 yards out and almost central to goal but it hits the wall and Arsenal clear.

It's another corner for Arsenal as Fabregas plays it in and Hilario punches the ball but it's another corner for the visitors which is cleared.

It has been a scrappy start to the second half with both sides guilty of giving the ball away on too many occasions for their own liking.

It's Arsenal's turn to win a dangerous free kick out on the right which Perside plays in but Chelsea clear their lines without any real danger.

Chelsea win a free kick in a good position for a set-piece. Lampard takes the kick but Drogba cannot keep his header from going over the top when Essien was better placed behind him.

Adebayor skips past Terry out wide on the right and his cross into the middle is headed over the top under pressure by Persie.

Arsenal break well after defending a long throw into their own area and Emmanuel Adebayor gets a shot in for the Gunners but it is weak and wide of Hilario's post.

Ashley Cole knocks the ball right across the Arsenal area but SEnderos manages to hack it clear as Chelsea press again.

It has been fairly even possession wise but Chelsea will feel they should be in front having had the best chances to score.

Drogba is fuming at an offside flag against him as he tries to lay the ball off to Shevchenko who would have been through on goal.

It's end to end at the moment as Chelsea go and win a corner at the other end. Lampard plays it in and Lehmann fumbles as the ball comes out to Essien his shot is hacked off the line by Fabregas.

Eboue gets past Ashley Cole and lashes a cross low into the area which John Terry knocks behind for a corner. Van Persie plays it in and Hilario punches it clear.

Geremi plays the ball into the Arsenal area and Drogba's shot is blocked but Essien fires over the top when he should have done a lot better.

Eboue gets a foot in on Drogba to concede a corner. Lampard whips the ball in but it eludes everyone and the ball goes out for a goal kick.

Arsenal are enjoying a good spell of pressure as Van Persie makes room for himself on the edge of the area but his shot is easy for Hilario.

The game is in danger of getting niggly as Shevchenko is unhappy at not winning a corner when challenged by Emmanuel Eboue but the referee was right to award a goal kick.

Cesc Fabregas commits a foul on Drogba and a free kick is awarded but Chelsea feel the Spaniard should also go into the book.

Arsenal go up the other end and Van Persie hits an effort which is just wide of Hilario's far post.

Chelsea break as Andriy Shevchenko makes a mess of an attempted dummy and when Michael Essien eventually picks the ball up his cross is blocked by Alexander Hleb.

Chelsea have turned this game around in the last 10 minutes and are dominating possession with Frank Lampard wondering how he did not put them ahead.

Didier Drogba knocks the ball down to Frank Lampard in the area and his effort bounces back off the post and his second effort is easy for Jens Lehmann.

Michael Ballack lets rip with a fierce effort which just flashes wide of the diving Jens Lehmann's far post.

Andriy Shevchenko makes room for himself on the edge of the Arsenal area but his curling shot is comfortably gathered by Jens Lehmann.

Frank Lampard whips in the free kick but Arsenal manage to clear their lines in Chelsea's first real piece of pressure.

Arsenal have enjoyed the majority of possession but Chelsea break up field and Philippe Senderos shoves Didier Drogba over to concede a dangerous free-kick.

Robin Van Persie takes the resulting free-kick but it smacks back off the Chelsea wall.

Arsenal have knocked the ball around well between them in the opening stages as they win a good free-kick due to a Ricardo Carvalho handball.

Good flowing play by Arsenal as Chelsea struggle to clear their lines and Robin Van Persie tries to knock the ball across the face of goal but it hits the side netting.

Didier Drogba tries to lay the ball off to Michael Ballack on the edge of the Arsenal area but the offside flag is up against the Ivory Coast international.

It has been a hectic opening few minutes with neither side really forcing any goal mouth action to speak of.

Gael Clichy goes on a surging run down the left wing but his attempted pass runs through to Henrique Hilario.