Haruhi looked around then said "oh no...not again..." She slipped out her phone and quickly texted the rest of the host club, hoping someone was close enough to where whatever caused the lock down to happen. 

Sebastian said "it's alright, kids. Nothing to worry about...all of you stay here, I'm going to go see what is going on" he slipped out the door and stood in the hallway, listening carefully to catch anything.