July 20, 2015 11:25 pm New Details About Possible Drug-Related Explosion in Federal Facility New details have emerged about a possible drug-related explosion on the National Institute of Standards and Technology campus in Maryland. News4’s Jackie Bensen reports. Local 2:25 Community, businesses mark first weekend of emergency curfew at National Harbor 1:27 Police search for suspect who vandalized Rockville synagogue sign 2:03 PNC Parkway Classic marks 40 years of racing in Virginia 5:01 Strawberry Season: Pick fruit at this Virginia festival 0:40 Man stabbed to death near Audi Field in DC