Three test positive for polonium
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Three more people test positive for the substance thought to have killed ex-Russian spy Alexander Litvinenko.
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An Italian contact of the poisoned former Russian spy Alexander Litvinenko has tested positive for the same radioactive polonium 210 that killed him.
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MOSCOW, Dec. 9 -- German police said Saturday that they had found traces of radiation in two apartments in the Hamburg area connected to a Russian businessman who met with Alexander Litvinenko, a former Russian intelligence officer who died after being exposed to a deadly radioactive isotope.
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German prosecutors opened an investigation on Sunday into a Russian associate of the murdered ex-spy Alexander Litvinenko after finding traces of the radioactive substance polonium in properties he used in Hamburg.
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Staff at the Millennium Hotel where Alexander Litvinenko held a meeting test positive for polonium-210.
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Three people have undergone testing for possible radioactive contamination following the death of a former Russian spy in London, British Home Secretary John Reid said on Monday.
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Traces of the radioactive isotope polonium-210 have been detected at a London stadium that hosted a soccer game attended by a key figure in the probe of the fatal poisoning of former Russian spy Alexander Litvinenko, a British official said Wednesday.
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Three BA planes are tested in the wake of the death of former KGB agent Alexander Litvinenko.
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In the latest discoveries after the the poisoning of an ex- K.G.B. agent, radiation was found at 12 sites in Britain.
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Seven workers at a hotel where Alexander Litvinenko held a meeting test positive for radioactive polonium-210.
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Polonium-210 &#151; the radioactive substance that killed a former Russian spy in London &#151; is one of the world's rarest elements, first discovered in the 19th century by scientists Marie and Pierre Curie.
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Isotopes of lead and polonium could help scientists to form more accurate estimates of when people have died.
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By CHRISTINE DELL'AMORE Polonium-210, the rare radioactive substance that fatally poisoned a Russian ex-spy, doesn't pose a threat to most.
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A contact of Alexander Litvinenko is to have more tests after testing positive for a radioactive substance.
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British scientists probing the death of  Alexander Litvinenko are carrying out tests on Saturday on one  of his contacts who has been contaminated with the same  radioactive poison that killed the former Russian spy.
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German police have uncovered a  radioactive trail linked to what prosecutors believe could be a  possible suspect in the murder of a former Russian spy in  London last month.
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Police had found radioactive traces at two more locations following the death of a Russian ex-spy as British authorities sought to quell fears among the public, after a handful of people were sent for tests.