Looks as if the Amexit at 80 minutes is similar to the Emptihad for Citeh.
http://www.dailymail.co.uk/sport/football/article-4430442/Man-City-Pep-Guardiola-wants-improve-Etihad-atmosphere.html
One thing I noted at Carrow Road on Friday was that very few fans left before the end of the match...