I think that such cases the gun is best the best too for self-defence, but perhaps these advices are also useful.
Run away in a zigzag pattern...this is good tip I quess.
http://www.wikihow.com/Survive-a-School-or-Workplace-Shooting
Run away in a zigzag pattern...this is good tip I quess.
http://www.wikihow.com/Survive-a-School-or-Workplace-Shooting