Danny Welbeck scored twice to send Arsenal into the fourth round of the Carabao Cup with
victory over Championship side Brentford .
Brentford's Alan Judge curled a superb 20-yard free-kick into the top corner after the break.
Substitute Alexandre Lacazette scored a third for Arsenal in stoppage time.
The Frenchman pounced on a loose ball and slotted
Watch highlights of the match below;