With three suspects in court, the FBI searches for possible bomb storage garage.Counterterrorism officials are warning mass transit systems around the nation to step up patrols because of fears an Afghanistan-born immigrant under arrest in Colorado may have been plotting with others to detonate backpack bombs aboard New York City trains. Investigators say Najibullah Zazi, a 24-year-old shuttle van driver at the Denver airport, played a direct role in a terror plot that unraveled during a trip to New York City around the anniversary of the Sept. 11 attacks.
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Terror arrest sparks gov’t warning on mass transit