WASHINGTON (AP) - Just days before the 10th anniversary of the Sept. 11 attacks, U.S. counterterrorism officials were chasing a credible but unconfirmed al-Qaida threat to use a car bomb on bridges or tunnels in New York City or Washington.
It was the first "active plot" timed to coincide with the somber commemoration of the terror group's 9/11 attacks a decade ago that killed nearly 3,000 people.
Counterterrorism officials were investigating the threat throughout the night and into Friday, as police in New York and Washington said they would increase their already stepped-up staffing levels in light of the recent intelligence.
Law enforcement officials were pursuing three people who may be traveling to the U.S. or who have recently entered the country, based on the detailed information received by the U.S. intelligence community late Wednesday, officials said. The intelligence suggested that al-Qaida planned to car bomb one of the two cities that were hit 10 years ago...