Postpublished at 61 mins
Arsenal 5-0 Lens
Lens try a through ball. It doesn't work. Now Arsenal are doing some passes.
Click the play icon to watch 5 Live Final Score and listen to commentary
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Emlyn Begley
Arsenal 5-0 Lens
Lens try a through ball. It doesn't work. Now Arsenal are doing some passes.
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Call me pessimistic but I don’t see Lens getting back into this game…
Rodney, Ilkeston
Arsenal 5-0 Lens
Almost a great run through the middle by Gabriel Martinelli but he's tackled by maybe the fourth defender who tries.
Napoli have equalised in the Spanish capital against already-qualified Real Madrid thanks to a sharp Andre-Frank Zambo Anguissa volley. It's 2-2 at the Bernabeu.
And the comeback has started for Inter Milan who have got a goal back against Benfica. They trail 3-1 after Marko Arnautovic's strike - his first Champions League goal in 12 years.
Arsenal 5-0 Lens
Gabriel Jesus pesters and pressures as he tries to win the ball back off the Lens defence but commits a foul in the process.
Arsenal 5-0 Lens
Chris Sutton
Former Chelsea striker on BBC Radio 5 Live
I'm a little surprised Mikel Arteta has left Martinelli, Saka and Rice on. Is it a bit of risk leaving your big guns on when the game is already done?
Arsenal 5-0 Lens
I'm getting the feeling this could be a pedestrian second half. Gabriel Martinelli hurdles a tackle but runs the ball behind.
Arsenal 5-0 Lens
David Raya catches a right-wing cross, nice and easy.
Might as well not even do the Europa League knockout stages if that happens. Just give the trophy to Sevilla.
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So as it stands, if Sevilla beat Lens, they go into the Europa League, that doesn't bode well for the rest of the teams in that competition does it?
Anon
Arsenal 5-0 Lens
Arsenal win the ball off Lens and the fans get excited about a potential break but it doesn't happen.
Arsenal 5-0 Lens
A quarter of the game's outfield players were replaced at the break there. Don't often see that.
Arsenal 5-0 Lens
The second half begins. Can Arsenal add some more goals?
Arsenal 5-0 Lens
Both sides make changes.
Arsenal bring on Ben White and Jakub Kiwior for full-backs Takehiro Tomiyasu and Oleksandr Zinchenko.
Deiver Machado, Adrien Thomasson and Neil El Aynaoui are on for Lens in a triple change. Facundo Medina, Florian Sotoca and Salis Abdul Samed are off.
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Terrible from The Arsenal. Six shots on target and only five goals. Keep it up boys. Let's beat seven.
Ade, Watford
Arsenal 5-0 Lens
Arsenal are the first side in Champions League history to have five different scorers in the first half of a match.
Arsenal 5-0 Lens
Unless Lens score six times in the second half, Arsenal will be in the last 16.
Arsenal 5-0 Lens
The biggest Champions League wins ever were 8-0, Liverpool v Besiktas and Real Madrid v Malmo.
Arsenal 5-0 Lens
Arsenal are the first English team ever to lead by five goals at half-time of a Champions League game.
Arsenal 5-0 Lens
Standing ovation from the Arsenal fans after that five-star first half.