A truck bomb that combined explosives with chlorine gas blew up in southern Baghdad on Wednesday, and officials said it might represent a new and deadly tactic by insurgents against Iraqi civilians.
It was at least the third truck bomb in a month to employ chlorine, a greenish gas also used in World War I, which burns the skin and can be fatal after only a few concentrated breaths.
22 February 2007
As We Escalate...
...the insurgents turn it up a notch. From the New York Times:
