Thought you had a bad Monday? A construction crew accidentally cut a Verizon fiber-optic cable, leading to over 150 flight diversions and hundreds more cancellations.

The mishap caused an air traffic control outage at a Philadelphia facility that manages flights in the northeast. A circuit there had failed, and authorities then discovered that the backup cable had been cut, said Bryan Bedford, who leads the Federal Aviation Administration.

New Jersey Transit said its contractors were working about 10 feet from utility markings, and it was trying to determine whether Verizon or the contractors had made the markings.

A Business Insider analysis…

Read the full article at BUSINESSINSIDER.COM