Washington, March 14 -- Flight operations across the Washington, DC region resumed following a temporary suspension triggered by reports of a "chemical odour" at a key air traffic control facility.

In a post on X on Friday, US Transportation Secretary Sean Duffy confirmed the resolution of the incident, stating, "The ground stop is over and operations have resumed."

He further noted that emergency services had cleared the site, adding, "Firefighters from Fauquier County and Prince William County confirm there is no danger to air traffic controllers."

The disruption initially threw air travel across the region into chaos, halting arrivals and departures at several major hubs. According to Duffy, "The temporary ground stop affected Ronal...