Due to a "malfunction" at the Ministry of Defence; affecting hybrid airports and:

    "I just read that the National Cyber Security Centre is unable to send security messages. So their entire office is down because they have no alternatives. It's like the fire brigade saying they can't come and put out fires because the barracks are on fire."

I'm hanging out for the post event analysis, will it be software, trench digger, or cleaners bucket propping open the wrong door.

It's always a revelation when systems meant to be robust are exposed as brittle.

Quite crazy that this major, multi-system outage has been going on for nearly 14 hours now.