jack smith went on to say that students need to be kept safe. if students do not stay in school, they may face disciplinary action. autria: doctors diagnosed someone at la plata high school in charles county with tuberculosis. the county health department has not said if it is a student, will be no -- those who have been exposed will be tested at no cost. and a look at what sparked a food truck fire at george washington university. three employees were inside a falafel truck, one of them behind it when it burst into flames. >> we were scared. we were concerned about our livelihood and the people who were on the truck. > it was completely engulfed in flames. it was surreal. autria: it was one of the popular trucks on campus, and students are already donating money to get it running again and help the injured employee. larry: the common sleep problem that went undiagnosed. investigators think it went -- that it led to train wreck. and why this whopper of a autria: if diamonds are a girls best friend, then, ladies, this got a whole lot friendlier. take a look at this beaut. it is a whopping 187 carats, on ever been made available to the public. you can see it th