Labor Day September 3, 2023 7:04 pm National Symphony Orchestra holds concert on the West Lawn News4’s Aimee Cho reports on the free concert and how people are dealing with the heat. Local 1:17 2 men injured in Alexandria shooting 22:09 Survey reveals voters' concerns: The News4 Rundown 2:28 Defense motions to suppress au pair's police testimony in double murder case 3:14 Scam targets thousands of DC's most vulnerable residents 3:22 Mistrial denied in trial of ex-officer accused of killing shoplifting suspect