How the US air traffic crisis unfolded

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US transport secretary Sean Duffy believes that a major air traffic control failure happened during "routine maintenance" to upgrade old copper wires to fibre. It resulted in the grounding of all flights across the US for four hours last night. The problem has since been resolved, but the knock-on effect is likely to be felt across the US and for international travellers for the rest of the weekend. Sky's Barnaby Papadopulos reports. #flights #aviation #usa #microsoft #usflights SUBSCRIBE to our YouTube channel for more videos: http://www.youtube.com/skynews Follow us on X: https://t…

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