Interesting, didnt ATL airport have a similar scenario a few days before the electric shut off in the whole airport?
http://dfw.cbslocal.com/2017/12/22/ fire-evacuation-dallas-love-field-airport/
https://www.usnews.com/news/best-states/georgia/articles/2017-12-07/ heavy-smoke-over-atlanta-airport-part-of-fire-training-drill
Seem similar?