News State Police Detonate Explosive at Manassas Office Complex By Potomac Local News Published November 18, 2013 at 6:14PM | Updated November 18, 2013 at 6:42PM State police called to 9500 Technology Drive detonated a device this afternoon and found black powder, an explosive chemical agent. [Photo: Uriah Kiser / Potomac Local News] This article is FREE to read. Please Sign In or Create a FREE Account. Thank you. Author Potomac Local News View all posts #News
