The Championship side looked on course for a surprise win courtesy of Josh Murphy's first-half effort.
Teenage striker Eddie Nketiah came off the bench to score twice on his home debut and send Arsenal into the quarter-finals of the Carabao Cup at the expense of Norwich. First, Oliveira blasted over after 69 minutes before Murphy sent a half-volley wildly over with only Macey to beat.
Wenger named Olivier Giroud, Theo Walcott, Jack Wilshere and Alex Iwobi in his starting line-up, but none of them could make an impression against a stubborn Norwich defence, which only wilted following the introduction of Nketiah.
Another opening came and went for Walcott early on in extra time, but Nketiah had less trouble with his finishing as he nodded the ball past Gunn from a left-sided corner.
Former FBI Director Comey Is Using Secret Twitter Account
That's wonderful , ' Comey posted that day, along with a picture of Will Farrell's character from the movie 'Anchorman '. Unlike Trump, whose preferred form of communication is Twitter , Comey has not been prolific on the social media site.
Quinnipiac Poll: Northam has 14% edge over Gillespie
Northam's lead has narrowed from last week, where the CNU poll showed him leading, 49 to 42 percent. Meanwhile, when pressed to respond to a question of whether he'd support impeaching Mr.
'Nuclear war may break out any moment' - North Korea
President Trump has recently tweeted that attempts to negotiate with North Korea's leader, Kim Jong-un, are a "waste of time". He said: " Threat from North Korea has heightened to levels never seen before".
An incisive break in the 55th minute should have resulted in a red card for Elneny, but referee Andrew Madley only gave him a caution for a foul on Oliveira despite the Egyptian being the last man.
With David Ospina still out injured it means that Matt Macey will most likely start between the sticks, which will be his first competitive appearance for the club.
And six minutes into extra-time Nketiah got his second goal as he headed in from a corner to put Arsenal 2-1 ahead.
Nketiah has already starred for England at Under-18 and Under-19 level, where he has more goals than appearances - like he does for Arsenal.