NATO officials, meanwhile, citing what they described as credible intelligence sources, said the Haqqani network, a Taliban ally based in the Pakistan tribal area of North Waziristan, was responsible for the attack.
The Bush administration said today that its latest nationwide warning of possible terrorist attacks resulted from credible intelligence sources, some of them connected to Osama bin Laden's network, Al Qaeda.
B10 Security Concerns TERRORISM WARNING -- The government said its latest warning of possible terrorist attacks stemmed from credible intelligence sources, including an electronic interception of a coded message from an associate of Osama bin Laden.
Mr. Ashcroft cited "credible intelligence from multiple sources".
Late Friday, apparently in an effort to counter the perception of a split, Mr. Ashcroft and Mr. Ridge put out a joint statement saying that "we are working together" to deter terrorist attacks.Citing many high-profile events over the summer, the statement said, "Credible intelligence from multiple sources indicates that Al Qaeda plans to attempt an attack on the United States during this period".
Precautions were also being taken in Newark, at the Prudential Financial headquarters, and in Washington, where the headquarters of the International Monetary Fund and the World Bank, only blocks from the White House, were named as possible targets in what Tom Ridge, the secretary of homeland security, called unusually specific and credible intelligence reports from multiple sources.
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Government sources said the exercise was not triggered by any credible intelligence about the threat of such an attack, but that it was "prudent planning," adding: "It gives us the ability to test these systems, and make sure that we learn any lessons".
