[Ditto]

As a powder or in the form of metal shavings, titanium metal poses a significant fire hazard and, when heated in air, an explosion hazard.[71] Water and carbon dioxide-based methods to extinguish fires are ineffective on burning titanium; Class D dry powder fire fighting agents must be used instead.[5]

Source: http://en.wikipedia.org/wiki/Titanium

[Global2010]

Titanium hmmm I should have read the story before asking if plastic bags burn toxins. : (

[kingu]

So watching live video of it, firefighters are drowning the fire in water. To the point where a lot of firefighters are waist deep in water. I suppose they should have checked Wikipedia.