US blames system upgrade for longest nationwide FAA ground stop since 9/11
Sean Duffy, the country's transportation secretary, said his agency is 'going to hold people accountable'.
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Every side
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Al Jazeera
Sean Duffy, the country's transportation secretary, said his agency is 'going to hold people accountable'.
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France 24
After a nearly five-hour ground stoppage, flights in the US have resumed. However, officials are warning that it will take days to recover from the ongoing delays related to the incident. Transport Secretary Sean Duffy explained the crisis was due to a failure in ageing telecommu