Two more in Britain exposed to isotope
Two more people have shown signs of low-level exposure to polonium-210, the radioactive isotope that killed former KGB agent Alexander Litvinenko, British health authorities said Thursday. The Health Protection Agency said one was a staff member at the Sheraton Hotel in London’s Park Lane and the second visited a bar at London’s Millennium Hotel on Nov. 1, the same day as Litvinenko. Full Story