Update at 4:50 p.m. — One lane of northbound Glebe Road has been reopened, but major backups on Glebe are being reported.
Update at 4:30 p.m. — Firefighters say they’ve located the likely source of the smoke, in a mechanical room. No fire was found. Units are starting to clear from the scene.
Arlington County firefighters have shut down Glebe Road at Wilson Blvd as they investigate why the second floor of the Ballston Common Mall Macy’s store has filled with smoke.
Numerous fire department units are responding to the scene, but so far the source of the smoke has not been found. No flames have been seen and firefighters are checking the building’s HVAC system.
Drivers should expect traffic impacts in the area.
https://twitter.com/LincolnACFD/status/766005488031035392
