April 24, 2012 12:16 pm Possible Carbon Monoxide Poisoning in Pr. George's Co. Mark Brady of Prince George’s County Fire spoke with NBC4’s Barbara Harrison by phone about the people found dead in an Oxon Hill home. 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