DHS head Markwayne Mullin says there is not a threat to the U.S. amid FAA ground stop

DHS Secretary Markwayne Mullin held a briefing at the White House to confirm that the nationwide FAA ground stop is not linked to any national security threat. The administration is working to resolve the technical issues affecting air travel.
Why it matters
Public reassurance from high-level officials is critical during infrastructure failures to prevent panic and speculation regarding potential cyberattacks or terrorism.
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Also covering this story
10 other newsrooms covered this event. We read each version separately.
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