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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The signs say "KEEP OUT" and warn of radiation contamination, but the mushroom-pickers trudge right past them carrying their pails. Eighteen years after the reactor at Chernobyl in neighboring Ukraine exploded, spewing a cloud of radiation that blew north and contaminated 22 percent of this ex-Soviet republic, activists warn of a new threat facing Belarusians: the longing to return to normal life.
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Traces of a radioactive substance are found on two BA planes at Heathrow during probe into ex-spy's death.
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The U.S. Department of Homeland   Security said on Wednesday it awarded $1.35 billion in   contracts to three companies to develop a system to screen for   radioactive matter that might be hidden in cargo.
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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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Britain's radioactive poisoning affair took a dramatic new twist as officials confirmed that a close contact of dead Russian ex-spy Alexander Litvinenko had also tested positive for radiation.
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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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PARIS -- A controversial US shipment of bomb-grade plutonium escorted by armed British commandos has set sail for France, despite protests from environmental activists who fear a terrorist attack or an accident. The shipment is the most contentious nuclear shipment in years with activists questioning the wisdom of transporting such security-sensitive cargo at a time of heightened risk of terror ...
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Britain's Health Protection Agency said Thursday that seven workers at the Millennium Hotel, where former KGB agent Alexander Litvinenko met a contact on the day he fell ill, have tested positive for "low levels" of polonium.
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The wife of former Russian spy Alexander Litvinenko has tested positive for traces of polonium-210, a family source said Friday.
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Two BA planes undergo more tests after traces of radiation are found in the probe into an ex-spy's death.
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Police investigating the death of Russian ex-spy Alexander Litvinenko are searching for radioactive substances.
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CHERBOURG, France, Oct 6  - Police threw a heavy escort around a shipment of plutonium from US weapons arsenals as it was offloaded from a ship and taken by military convoy to a nuclear recycling plant in western France on Wednesday despite protests
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Increasing numbers of people are being tested for possible exposure to radiation in the investigation into the death of a former Russian spy as the post-mortem on his body was due to be carried out.
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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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LONDON -- An Italian security consultant who tested positive for traces of the same radioactive substance that was found in the body of a fatally poisoned former KGB spy has not shown any signs of illness, doctors said yesterday. Mario Scaramella met with former Russian agent and Kremlin critic Alexander Litvinenko at a London sushi bar Nov. 1. Later that ...
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Excerpt from report by Russian news agency RIA Novosti  Moscow, 11 December: The dean of Moscow University's chemical faculty has said that the faculty does not use polonium-210. "We do not work with polonium-210.