🚨NATIONWIDE GROUND STOP SPARKS SECURITY CONCERNS DHS Secretary Markwayne Mullin addresses the nationwide FAA ground stoppage as officials investigate the pos

🚨NATIONWIDE GROUND STOP SPARKS SECURITY CONCERNS DHS Secretary Markwayne Mullin addresses the nationwide FAA ground stoppage as officials investigate the possibility of a cyberattack or other security threat. [▻](https://video.twimg.com/amplify_video/2121364218989473792/vid/avc1/1280x720/v4gc2c…