Brand new teaser video out of Games Workshop this morning.....
via Warhammer Community
https://www.warhammer-community.com/2017/01/16/the-storm-rages-on/
War has engulfed Cadia following the largest Chaos invasion in Imperial history. Against a tide of heretics, traitors and Daemons, the mightiest fortress world of the Cadian Gate has… (spoilers removed) …which was totally awesome.
Now, the storm rages on, and even the ancient races of the galaxy will not escape the rising power of Chaos.