US 'dirty bomb' sting shows risk
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US investigators posing as businessmen could have bought nuclear material for dirty bomb, Congress hears.
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WASHINGTON  - US authorities worry terrorists could target foodstuffs in an attempt to sicken or kill hundreds, maybe thousands of people.
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Federal regulators' narrow approach to solving one of the United States' biggest post-Sept. 11 fears -- a terrorist flying a plane into a nuclear power plant -- is under attack for adding to public safety concerns.
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Critics say system for detecting "dirty bombs" in urban areas may be unnecessary and unfeasible.
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Witnesses and hospital officials say they fear more casualties from the explosion as emergency crews sift through the wreckage. The US military says a fuel truck exploded, but can&#39;t say whether it caused by a suicide bomber or not.
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The United States on Sunday maintained reinforced security at US airports after two car bombs were found in London and a blazing vehicle crashed into a terminal at Glasgow&#39;s airport.
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The FBI said on Wednesday it was  investigating a report of a "dirty bomb" threat in Boston, but  called the information "uncorroborated."
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The arrest of 14 people in Spain in a suspected Islamist bomb plot has fueled concerns over U.S. security as Bush administration officials are turning their attention to potential election-year threats, Attorney General Michael Mukasey said on Friday.
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HELSINKI, Finland US embassies in northern Europe say they have received &quot;threat information&quot; and are urging Americans living in the Nordic and Baltic regions to be cautious.
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The foiled plot to bomb U.S.-bound  flights from Britain would have been a disaster on a scale  comparable to the September 11 attacks almost five years ago ,  U.S. Homeland Security Michael Chertoff said on Thursday.
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An unidentified substance  sent to the US embassy in the Malaysian capital Kuala Lumpur leads to a security scare.
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The UN nuclear watchdog is worried the US-led war aimed at disarming Iraq may have unleashed a proliferation crisis if looters have sold equipment that can be used to make atomic weapons, Western diplomats said.
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On the heels of a US indictment of Hamas figures, the State Department issued an updated warning yesterday that Americans in the Middle East and North Africa could be targets of terrorist attacks. &quot;Anti-American violence could include possible terrorist actions against aviation, ground transportation, and maritime interests,&quot; the department said. The indictment was unsealed Friday in Chicago against a political ...
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Inexperienced personnel cited as a risk to espionage work.
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US officials were warned about the vulnerability of explosives stored at Iraq&#39;s Al-Qaqaa military installation after another facility - the country&#39;s main nuclear complex - was
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The US Department of Homeland Security plans to scale back the level of cleanup recommended after detonation of a dirty bomb, policy watchdogs assert.
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David Miliband says he has "some concerns" over the US trials of men in connection with the 9/11 attacks.