Ghanaian youngster Eddie Nketiah was the hero on Tuesday night when he scored two late goal for the Gunners to send them into the next stage of the competition.

As such, it was the visitors who took a surprise lead with Josh Murphy latching onto a superb through-ball from Sunday's East Anglian derby match-winner James Maddison before finishing past debutant Matt Macey with a cute dink.

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Wenger threw on Chuba Akpom and Nketiah as his side chanced the game and it was the latter who was on hand to level just seconds after his introduction, turning in a corner from close-range.

Gunn saved superbly from Jack Wilshere in the last minute before Akpom should have won it for Arsenal deep into added time.

A defensive mix-up allowed Theo Walcott a great sight of goal early in extra-time but Gunn again provided the heroics, only for Nketiah to continue his dream home debut by heading home Elneny's resulting corner.