Fire induced progressive collapses are becoming more common. Firefighters around the world should avoid entering any high rise fires until this new phenomenon is clearly understood, and buildings subject to this phenomenon are identified.
High Rise Fires: Structurally safe? ...or sudden death!
Related:
The conspiracies that won’t go away: Brother of 9/11 victim claim the US orchestrated the atrocity as new study shows it was impossible that the third tower collapsed from fire:
http://911truth.org/9-11-conspiracy-theories-victim-claims-us-orchestrated-atrocity/
Refuting the Hollow Arguments of the So-called 9/11 Debunkers & Truthers
