Nuclear terrorism risk seen growing
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Western governments must take seriously the possibility of terrorists exploding a nuclear bomb as the necessary materials and know-how become easier to acquire, security analysts argue in two new reports.
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Pakistan raises the state of alert around its nuclear sites amid concerns they could be targeted by militants.
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Because of widespread availability of raw materials for chemical terrorism, many experts believe the odds for a chemical attack are relatively high, compared with biological or nuclear terrorism.
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US strikes on Iran predicted as tension rises over arms smuggling and nuclear fears.
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Iran could acquire a nuclear bomb in the next one to four years and would become more willing to aid terrorist groups once it has an atomic
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NEW YORK  - Workers at one U.S. nuclear facility have suffered higher-than-average rates of certain cancers, a study shows -- suggesting that on-the-job exposures are to blame.
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The risk of wars being fought over water is rising because of explosive global population growth and widespread complacency, scientists said on Friday.
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A member of the 9/11 commission told House lawmakers Wednesday that the risk of an airline passenger detonating a suicide bomb has increased as a result of security precautions to prevent hijackings.
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Nuclear terrorism is a real threat which the world must take immediate action against in order to prevent a nuclear September 11-style outrage, according to the head of the UN's atomic energy agency.
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The Iraq war gave birth to a new   generation of Islamic radicals and the terrorist threat has   grown since the September 11 attacks, according to a U.S.   intelligence report cited in The New York Times on Saturday.
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The United States faces a range of threats from North Korean and Iranian missiles to a Sept. 11-scale attack by Islamist militants, inspired by Osama bin Laden and hardened by their experience in Iraq, top U.S. intelligence officials warned Wednesday.
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Two plots foiled in a single day suggests that extremist terror networks are growing more active in Europe
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Â· Stark warning from leading think tank Â· Iran could have its own bomb by 2009 Â· Islamic countries radicalising at a pace
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Patients treated with radioactive material face an increased risk of triggering security alarms because more guards are being equipped with sensitive radiation detectors, a report said Tuesday.
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In a presidential race dominated by national security, what some see as the world's biggest nuclear danger &#151; North Korea &#151; is only now emerging as a hot political topic.
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Weapons of mass destruction, small boats packed with explosives and Islamic radicalization are the greatest terrorist threats facing the country, top U.S. security officials said Monday on the eve of the sixth anniversary of the Sept. 11 terrorist attacks.
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With terrorism the new global threat, a network of radio antennas that let the Navy maintain secure communications with submarines at sea has become yet another Cold War relic.