LONDON, Jan. 11 -- British authorities are working with officials from 48 countries to evaluate about 450 people who were in London around Nov. 1 and fear they might have been exposed to the radioactive polonium-210 that killed former Russian agent Alexander Litvinenko. -
Britain Asks 48 Nations To Help Test For Polonium
LONDON, Jan. 11 -- British authorities are working with officials from 48 countries to evaluate about 450 people who were in London around Nov. 1 and fear they might have been exposed to the radioactive polonium-210 that killed former Russian agent Alexander Litvinenko.-
By Mary Jordan