university student also steal from others! _

I'm sorry that this happened to you. Unfortunately, this happens quite often, and not just at school. You either have to have a friend wacth your belongings, or take them with you. Maybe, someone had mistaken your bag for theirs, and did not realize the mistake. From now on, if I were you, when you leave the study area, take you belongings with you. It's sad to see a student steal from another student. I hope that you find your bag, and everything that was in it.