No hazard found after 'severe' Pentagon alert sparks emergency response

Certain areas in the Pentagon went on lockdown Thursday morning due to an "air quality incident" that was later revealed to be a false alarm. 

An alert, shared with Fox News Digital, carrying a "severe" rating was sent to employees in multiple corridors of the building directing them to shelter in place. All other personnel were told to avoid the area. As of 1:30 p.m. Eastern Time Thursday, the lockdown order was lifted, according to Pentagon officials. 

"Earlier this morning, Pentagon...