Work provide us with our emergency phone - with special phone number that goes to ambulance control and is (supposed) to be picked up immediately. And these students...are they the same ones who go galavanting around town at 3am drunk and without shoes, walking back alone through darkened streets from one nightclub to another? Just asking (based on my nurse training experience). And to be honest, I didn't particularly feel 'unsafe' and any point - more worried that someone would be stabbed and I'd have to do some real work.