Diaby almost adds another with a stunning 25-yard strike, which whistles just inches over the top of the bar.

It's been an impressive display from Arsenal, especially since going down to ten men and they maintain their unbeaten record.

Pompey almost set up a granstand finish, but Toure does brilliantly to deflect Nugent's goalbound effort over the bar.

Mendes is the latest to have a crack from outside the area but although his shot is well struck, it's straight at Almunia.

Despite having plenty of possession in the final third, Pompey look like a team that don't believe they can get anything now.

Muntari slips a quick free-kick into Utaka, the striker turns and shoots but Almunia gets down well to gather,

Muntari's cross goes right accross to Taylor, but he wastes the opportunity by firing his cross-cum-shot over the bar.

Denilson sends in a cross from the right and almost finds the other Arsenal sub Diaby, but Johnson gets accross him and Pompey are able to clear.

Johnson strides forward and lets fly from 25 yards and forces a decent save from Almunia. Muntari has another shooting chance and makes a mess of it by miscontrolling the ball.

What a miss, Arsenal should have had a fourth! Clichy swings in a great cross from the left and somehow Diaby sends a header wide from just seven yards out.

Taylor breaks away down the left hand side and fires in a great ball accross the middle of the penalty area, but no-one can get on the end of it.

Kranjcar collects a Kanu pass and strikes from goal from the angle, but the shot lacks power and Almunia collects.

Utaka floats a great ball over the top for Kanu, but an uncharacteristic bad first touch from the Nigerian allows Arsenal to clear their lines.

Pompey sense they can get back in this game now after a bright start to the second half.

Utaka takes the resulting free-kick and forces Almunia into a decent save and then Taylor blasts the follow up over the bar.

Van Persie's corner is headed goalward by Senderos, James makes a fine parry and Johnson hacks it off the line at the near post.

Hleb gets away down the left and sends in a deep cross and Taylor has to head behind for an early Arsenal corner.

The Gunners are ripping Pompey apart at times but another break fails due to Adebayor. The striker balloons his cross with two Arsenal players waiting in the middle.

Adebayor twists and turns past two defenders on the left-edge of the penalty area, but his shot is weak and straight at James.

Arsenal break quickly but it's a poor pass from Adebyaor, who overhits the through ball to Rosicky.

Van Persie takes the resulting free-kick, but again the cross is poor and goes straight into James' arms.

Van Persie tries to break down the right and gets away from Distin, only for the Pompey defender to barge him over.

Toure takes a run like a fast bowler for a 30-yard free kick and, predictably, he smashes it straight into the wall!

Clichy is seeing plenty of the ball down the Arsenal left, but this time the youngster's cross is too near to James.

Fabregas and Hleb try to work a one-two on the edge of the Pompey box and it almost pays off. The Gunners look more likely to add to the scoreline at the moment.

Another corner for the home side - Van Persie swings in a dangerous cross but James does well to punch clear under major pressure.

Fabregas and Sulley Muntari slide in for a 50-50 and it's the Portsmouth man who comes off worse, but he shakes himself off and gets on with it.

Taylor breaks the Arsenal offside trap but his cross from the left is too close to Almunia, who gathers it in the six yard box.

Although Arsenal are on top, Portsmouth look lively on the break on rare occasions.

Cesc Fabregas has his first effort of the game, letting fly from 30-yards but it's gathered comfortably by James.

How have Arsenal not scored a second - Flamini puts a ball accross the box and Adebayor misses the ball on the edge of the six yard box.

Clichy is having some joy down the left and a weaving run is eventually halted by Johnson just inside the Pompey box.

Arsenal are threatening another goal and Adebayor breaks into the area but his shot is wayward and slices accross the area.

Pompey have kept the ball well in the last couple of minutes, Taylor's cross picks out Lauren but his 15-yard header loops over the bar.

Matthew Taylor swings in a corner from the right for Pompey and although Hreidarsson claims a foul after going down in the area, referee Mark Halsey correctly waves away the appeals.

Alex Hleb swings a cross into the area and under pressure, Hermann Hreidarsson does well to chest the ball back to David James.