Imperium Nihilus: Vigilus Defiant (2018), p45 — 14.010 Post - The Infection Spreads

As promethium fires blazed around Dontoria, the Iron Hands enforcing the quarantine allowed frustration and repugnance to overwhelm their nobler natures. Ruthless efficiency became sheer brutality, and desperation turned to terror amongst the trapped populace. Preferring to brave fire and pox than face the merciless Iron Hands, bands of resourceful Dontorians broke out of the restricted area and fled. Efficient as strategic cogitators, the Iron Hands deployed kill teams to contain these breakouts. However, their forces came under sudden heavy attack from the Death Guard still lurking in the city. Reports circulated of daemonic entities manifesting alongside Mortarion's sons.