October 7, 2015 6:40 pm High School Student Arrested in Threat Northern Virginia bureau chief Julie Carey reports on the arrest of a Culpeper High School student who brought a pellet gun on the school bus and made threats of violence. Local 1:54 Science 4 Everyone: What is an elliptical orbit? 2:41 Stores run out of snow supplies as Maryland residents prepare for snowstorm 2:31 DC Volunteer Snow Program links neighbors to help with shoveling 2:10 Storm preps, early voting under way in Loudoun County 21:59 Snow squalls leave region, DMV preps for next storm: The News4 Rundown