On the 10th of July, a power outage at Gatwick Airport caused a computer meltdown in air traffic control systems, resulting in flights being suspended for almost 2 hours.
IT system affected all inbound and outbound flights, and though flights had resumed 2 hours after the power cut, there were ongoing delays and cancellations, due to the backlog.
A spokeswoman for Gatwick airport said that as of 7.30pm a total of 26 flights had been diverted and eight cancelled.
Power cuts can cause chaos, as seen in this situation, don't take the risk, review your power systems.