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Infrastructure

Root cause of nationwide ground stop still unknown, Duffy says

By Molly Parks
Published Updated
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Transportation Secretary Sean Duffy said Sunday that the root cause of Friday’s nationwide ground stop is still undetermined but that federal investigators have “no indication” that a hack was behind the communications glitch.

Duffy said on ABC’s This Week that President Donald Trump brought together a “whole-of-government approach,” adding agencies and officials like the director of national intelligence, the National Security Agency, the Cybersecurity and Infrastructure Security Agency, and the FBI were on the strategy call to figure out what was occurring.

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Air Travel Department of Transportation Federal Aviation Administration Infrastructure Sean Duffy Trump Administration