Update at 10:50 a.m. — The source of the smoke was determined to be a “malfunctioning air handler” in Nordstrom, which is now being shut down, according to scanner traffic. Most of the fire vehicles are expected to leave the scene shortly.
Earlier: Firefighters from Arlington and neighboring jurisdictions are investigating smoke and a burning odor in the Pentagon City mall.
The smoke and odor was reported on the Nordstrom end of the mall. Thus far firefighters have not found a fire.
A large emergency response is on scene, with firefighters checking out all floors of the store, as well as the Metro station and the roof, for a smoke source.
— Arlington Fire (@ArlingtonVaFD) December 12, 2019
— Hillary Howard (@hhowardWTOP) December 12, 2019