United States January 5, 2018 6:21 pm How the National Zoo Keeps Animals Warm It’s important to protect pets during these frigid temperatures, but what does the National Zoo do about all of its animals? News4’s Aimee Cho went there to find out. Local 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 1:37 Pro-Palestinian protesters gather outside White House correspondents' dinner 0:43 American University locked down before man arrested on campus
