There were five goals in the first half and six different scorers on a superb night
The Gunners blasted through the speed barrier as they racked up their 100th Champions League victory to secure their place in the last 16.
And this scintillating victory was arguably the pick of the bunch from a team who are now top of the Premier League and safely through to the Champions League knock-outs with a group game still in hand.
Poor Lens certainly didn’t know what had hit them as they were buried under a first-half avalanche.
