Hard to nail down exact place and date but it was tweeted out April 9

Doesn't this video dovetail nicely with the recent quotes by Muslim city councilor for Luton?

The 20-year-old student is alleged to have called Adolf Hitler the ‘greatest man in history’ and said she hoped Iran would use a nuclear weapon to ‘wipe Israel off the map’.

***UPDATE***

The event is genuine, but new information suggests it may have taken place in 2014

This is likely the event

http://www.youtube.com/watch?v=5zoukXdlOvE