Maryland November 7, 2017 6:45 pm Unidentified White Powder Discovered in Md. High School The discovery of a white powder in a Montgomery County high school on Tuesday sent five employees to a hospital. News4’s Pat Collins tells what we know now. Local 6:51 DC police use pepper spray, make arrests at George Washington U. 3:36 DC police clearing out George Washington U. protest encampment 2:31 DC police increase reward, call for peace after 3-year-old fatally shot 1:59 Cottage City becomes first in Maryland to install stop sign cameras 0:52 Montgomery County police hold vigil for fallen officers