District of Columbia June 14, 2024 4:41 pm DC cooling centers open due to heat D.C. activated a heat emergency and opened 128 cooling centers, including pools, splash parks, and recreation and senior centers. News4’s Mark Seagraves has the story. Local 2:07 Why does the sky look bluer in the fall? 2:38 Fleeing Milton: ‘The people who never leave are leaving' 2:48 Mapping ragweed hot spots in the DC region: Science 4 Everyone 1:50 Alexandria to hand out sandbags for Tropical Storm Debby 3:00 Trees topple due to heat and drought