Major UK airports hit by air traffic control problems – BBC
Major UK airports hit by air traffic control problems BBCTravel chaos at UK airports as over 600 flights canceled due to air traffic control issue AP NewsChaos Hits London Airports As Technical Issue Snarls Travel: What We Know ForbesUK air traffic control glitch prompts nearly 300 cancellations, monitor says abcnews.comUK airport disruption: what are your rights if you have been affected? The Guardian
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