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 1:37 Memorial held for DC woman year after disappearance 25:47 Israel attacks Iran: The News4 Rundown 1:49 George Washington's Mount Vernon undergoing renovations to preserve mansion 3:18 DC-based run club to cheer runners at Marine Corps Marathon 2:26 Historic St. John's Church undergoes restoration