TOPOFF "terror drill" in Portland and other cities this month
This year's TOPOFF will build on lessons learned from previous exercises, according to the Homeland Security Department, which runs the program. The agency said the Oct. 15-19 exercise would be "the largest and most comprehensive" to date.
According to an internal department briefing of next week's exercise obtained by AP, a dirty bomb will go off at a Cabras power plant in Guam; another dirty bomb will explode on the Steel Bridge in Portland, Ore., impacting major transportation systems, and a third dirty bomb will explode at the intersection of busy routes 101 and 202 near Phoenix.
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