harvard. but the top part of the screen is the main campus area and i ve been in touch with people that say cambridge police, harvard campus police and other law enforcement authorities are there. no information as to what. you mentioned that there s been a report of perhaps explosives on campus. just a report. nothing confirmed at this time. but when something like this gets reported, you have proet p protocols that go into place. you are looking at the harvard square area, the picture right there in harvard. as we try to get more information, obviously your concern is that you have the police response and you try to figure out whether this is a hoax or something serious and that s what we re trying to figure out right now. as far as we know, john, final exams have been canceled, at least for today. describe how large these buildings are because this presents a problem for the police, right in they have to go through every room, every corner? right.