Homeland Security Secretary Mulin rules out cyberattack as US reopens airspace; Duffy warns more disruptions likely

Washington, Nov 14 (UNI) A telecommunications failure in the US air traffic control system brought flights across the country to a standstill for nearly five hours on Friday, cancelling more than 7,700 flights and stranding potentially over a million passengers. Homeland Security Secretary Markwayne Mullins ruled out a cyberattack, but Transportation Secretary Sean Duffy admitted the breakdown could happen again. Although the Federal Aviation Administration (FAA) eventually reopened the airspace after a five- hour stretch, the disruption exposed the vulnerability of America's ageing aviation infrastructure, with officials warning that similar breakdowns could happen again. The shutdown, which affected potentially more…