Not sure how many of you already know about this, but for those who didn’t, a Chevrolet Suburban responding to an emergency call, drove past the closed set signs, and crashed into the "Bumblebee" Chevrolet Camaro while filming.

http://www.leftlanenews.com/bumblebee-swatted-by-cop-car-on-transformers-set.html

http://www.youtube.com/watch?v=PJm1w-wTomo&feature=player_embedded#!