As a graduate student at the University of Cambridge it is shocking and appalling that the school put up with this. I sincerely hope that these students are appropriately disciplined in accordance with the University Student Handbook, which directly prohibits (in two different places) actions such as the one's they took. It disrupts legitimate studies and detracts from students who are there to learn, like myself. Let's only hope that the University condemns the students' actions and that the educated majority of the students there know better...