Awesome haha.No probably not.
At primary school they used to have those big light boxes at the front, and then just bellowed the room full of smoke and had the strobe on far too much (wouldn't get away with it these days!).
![[Image: biggrin.gif]](http://northeastbuses.co.uk/forum/images/smilies/biggrin.gif)
That's what we think set the alarm off, although it may have been lads smoking in the bogs.