BREAKING: Four service members are dead and dozens are seriously injured after a fire at an Alberta military base, Canadian Prime Minster Mark Carney says. https://www.nbcnews.com/world/canada/people-killed-injured-incident-military-base-alberta-canadian-defense-rcna604103?taid=6ad4ff27df5a0d000169fb13&utm_campaign=trueanthem&utm_medium=social&utm_source=twitter