Two minutes of added time to be played.

A corner from the right deflects towards goal and Leonardo makes a fine block on the line to maintain his side's lead.

Domi powers forward and drives a left-foot shot wide of target from 30 yards out.

Vela fires a shot into the sidenetting at Nikopolidis' near post.

Arsenal launch a quick counter-attack and Merida's shot is deflected over the crossbar for a corner, which comes to nothing.

Nikopolidis makes an easy catch as Merida overhits a free-kick from the right touchline.

Ten minutes left and at least the second half has been better than the first.

Mitroglu runs clear and forces Fabianski into another good save.

Play is stopped for an injury to Georgios Galitsios.

Dudu's superb pass plays in Leonardo and he is denied a second goal as Fabianski races off his line to block.

Merida's astute pass releases Vela, but he lifts his left-foot shot over the crossbar from 15 yards out.

Twenty minutes to go and Olmpiacos remain on course for the last 16.

Ramsey meets the flag-kick with a weak header and Nikopolidis gathers.

Ramsey plays a superb pass out to Walcott, whose attempted shot is deflected over for a corner by Raul Bravo.

Wenger looks deep in thought on the bench, maybe he's just bored.

Arsenal enjoy a bit of possession, but it comes to nothing.

Kerrea Gilbert heads clear at the far post as Galletti gets in a cross from the right.

Almost an hour played, only another 30 minutes to endure.

It's Olympiacos who are dominating possession now.

Galletti plays the ball in from the right and Mitroglu almost gets on the end of things before Fabianski gathers.

Walcott's 25-yard free-kick curls well wide of the far post.

Ramsey leads a quick Arsenal counter and his superb pass finds Carlos Vela, but his shot is blocked by Nikopolidis.

The goal now has Olympiacos well on their way to the knockout stages.

Well that came out of nothing, but it was a fine finish from Leonardo.

The Gunners start the second period.

Raul Bravo volleys over from 15 yards after a rare attack by the home side.

Dudu fires an effort just wide of target from 30 yards, as news of AZ Alkmaar taking the lead at Standard Liege filters through.

Half-time is just around the corner, with few signs of a breakthrough.

Wilshere comes close to dribbling through, but Raul Bravo makes a solid block just inside the area.

Just under ten minutes to half-time and this game desperately needs a goal.

Song shoots from distance and Nikopolidis watches the ball fly harmlessly over for a goal-kick.

Mitroglu takes the ball down well on the left, but he is short of support in attack and a potential opening goes begging.

Walcott gets in behind the home defence, but is eventually crowded out as he turns inside from the left.

Dudu crashes a shot high over the top from 30 yards out.

Just over 25 minutes played and there have been few clear chances for either side.

Walcott breaks the offside trap, but Nikopolidis is out quickly and gets a foot in to avert the danger.

Leonardo leads a quick counter and his cross to the far post is met by Luciano Galletti, whose right-foot volley goes narrowly wide of Lukasz Fabianski's goal.

Fran Merida wins a free-kick 25 yards out as he is felled by Olof Mellberg.

Olympiacos win another corner, they are having the better of the game at the moment.

A corner is hacked cleared by Alex Song as Olympiacos press forward again.

Mitroglu threatens again as the home side begin to find their feet.

The game is lively enough without really having hit top pace just yet.

Olympiacos spring forward and Konstantinos Mitroglou fires a left-foot shot over the top from 15 yards.

The home side have barely made it out of their own half.

Walcott has the first shot on goal, Antonios Nikopolidis makes a strong block.

It may be an unfamiliar Arsenal side, but it's the same style of play, patient passing from the back.

It's all Arsenal at the moment, with Olympiacos firmly on the back foot.

The Gunners have made a bright start and are seeing plenty of the ball.

Theo Walcott wins the first corner of the game.