Almost game over. Martin Odegaard feeds Eddie Nketiah with a perfect pass. Nketiah takes a couple of touches, sees the keeper off his line and lifts a shot over the bar.

Good spell of possession for Arsenal. Just don't do anything stupid now.

Bukayo Saka is limping for a minute but he seems to have run whatever was wrong off.

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Arsenal haven't had a shot in half an hour now. They had two in the opening minute of the second half and none since.

Glimt bring on striker Ola Solbakken, who is being linked to Napoli and Roma. Can he make some of these chances count?

A Glimt attack is allowed to go on for an age despite a clear offside and Ulrik Saltnes eventually shoots over before the flag goes up.

Arsenal bring on Ben White for his European debut. Kieran Tierney is replaced.

Glimt are dominating most of the main stats in the second half - possession, shots, efforts on target... but crucially not goals.

Gabriel Jesus has been a bundle of energy since coming on. Closing down defenders, tracking back to win the ball and now conceding a free-kick.

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Arsenal have a good chance for a third but play far too many passes in the box. Old school Arsenal!

Gabriel Jesus is straight in the mix, putting a Glimt defender under pressure and winning a throw-in.

Eddie Nketiah tries to find Kieran Tierney in the box but his pass is cut out.

Martin Odegaard takes the armband off Granit Xhaka. He is the Arsenal captain anyway.

He played Glimt as a 15-year-old in his native Norway.

Arsenal boss Mikel Arteta wants to turn the tide a bit and brings on three first-team regulars.

Gabriel Jesus, Martin Odegaard and Bukayo Saka replace Gabriel Martinelli, Granit Xhaka and Marquinhos.

Matt Turner is the busier keeper right now by miles.

Amahl Pellegrino gets the ball in the box and drills a low shot through a defender's legs. Turner must see it late but gets down low to save well.

Yikes. Arsenal need to be careful here. Glimt come forward again and Ulrik Saltnes lifts a shot just over from 20 yards.

Considering Arsenal could easily have been 4-0 up, they really don't want this to become a proper game.

Glimt have joined the party now. Joel Mvuka's cross-shot goes just wide of the far post with a player in yellow just unable to turn it in.

Bit better from Glimt in this half and Hugo Vetlesen's shot from 20 yards forces Matt Turner into an easy enough save.

Matt Turner gets to clear another ball. An easy home debut for the lad.

Two chances for Arsenal just 25 seconds after the restart. Granit Xhaka's drive is parried by the keeper and Marquinhos heads the rebound wide.

The second half begins. Arsenal shouldn't let this slip.