Terrorists Explore Lasers as Weapons, U.S. Warns
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Federal officials are concerned that terrorists could try to down aircraft by blinding pilots with laser beams during landing approaches.
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Why European counter-terror officials share U.S. concerns of an imminent threat
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The U.S. military said it is testing a system to beam red and green lasers at aircraft in the Washington area as a warning when they enter restricted airspace.
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FBI agents are probing reports that a US commercial jet was tracked by a laser beam on approach to an airport in Cleveland, Ohio, this week.
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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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The U.S. Embassy in the Philippines has warned that terrorists may be planning to bomb bus terminals and public markets in two southern towns that have been targeted in the past.
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Exclusive: U.S. picked up the suspects' chatter and shared it with British authorities; new federal alert warns that peroxide-based explosives could also be employed in future attacks in the U.S.
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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 on Wednesday.
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History suggests the spy technology we build to catch terrorists will eventually be used to bust minor scofflaws. Commentary by Jennifer Granick.
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COLORADO SPRINGS, Colo.  - It is "only a matter of  time" before militants try to launch a seaborne attack on the  United States, but threats of terrorism are greater abroad  because they are avoiding hardened U.S. targets, a senior U.S.  military official said on Wednesday.
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A newly revealed summit of terrorists raises fears of a fresh plan to attack the U.S. This bombmaker and pilot could be a key player
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Up to three American Airlines jets will be outfitted this spring with laser technology being developed to protect planes from missiles fired by terrorists.
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Here are some of the latest health and medical news developments, compiled by editors of HealthDay:    -----      Nightclub Lasers Can Harm Eyes      Nightclub lasers may be a vision hazard, according to the United Kingdom's National Radiological Protection Board (NRPB).      The board said that laser beams are strong enough to cause serious injuries, but often come with inadequate safety information and are used by people with no laser safety experience, BBC News Online reported...
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In a video aired Thursday, an armed group is threatening to use a large amount of explosives it claims to have found against coalition troops in Iraq.
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Militants may be planning to attack commercial aircraft carrying Western workers in Algeria, the U.S. embassy said in a message to Americans living in the oil-exporting North African country.
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U.S. Energy Secretary Spencer Abraham on Saturday called on countries to find and secure nuclear and other dangerous material to keep it out of the hands of terrorists.
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A laser beam was aimed at a police helicopter Friday &#151; one of several incidents involving aircraft across the country in the past week &#151; and federal authorities were questioning someone who had been at a house where they said the light had originated.