Washington DC July 28, 2023 6:15 am Symptoms to watch for during extreme heat News4’s Juliana Valencia breaks down the symptoms of heat stroke and heat exhaustion. Local 0:29 DC jewelry store targeted for 2nd smash-and-grab robbery in 3 months 1:34 Protesters gather outside fenced-in GW graduation on National Mall 2:14 Crews prepare to move cargo ship that toppled Key Bridge 1:52 GW graduation ceremony on National Mall surrounded by security barriers amid protest concerns 0:36 Dali cargo ship to be moved at high tide Monday morning