Maryland September 12, 2024 10:19 am Some DC-area schools on alert after social media threats None of the threats have been deemed credible. News4’s Joseph Olmo reports. Local 2:09 Maryland Attorney General's Office investigating deadly police shooting in Wheaton 1:44 Kamala Harris signs vandalized outside The Little Gay Pub in DC 2:14 Dozens of families without a home after Columbia Heights gas explosion 1:37 Hundreds of Teen Girls Unity Walk raises awareness in DC 2:32 Science 4 Everyone: Why does the moon look bigger than it actually is?