Interpol has joined Litvinenko poisoning inquiry
471111
International police force Interpol is helping coordinate the investigation into the poisoning of Russian former spy Alexander Litvinenko that now involves forces in Germany, Russia and Britain.
419971
An Italian academic who met the poisoned former Russian spy Alexander Litvinenko the day he became ill from radiation is under police protection in London and undergoing medical tests, a legal source said on Tuesday.
155458
Russia&#39;s internal security agency has opened an espionage investigation on the basis of statements by Andrei Lugovoi, the man accused by Britain of killing ex-agent Alexander Litvinenko, news agencies said Friday.
422703
Mario Scaramella, who met with ex Russian spy Alexander Litvinenko on the day he fell ill, said he had five times the amount of the radioactive substance polonium considered deadly in his body, as British police officers prepared to travel to Russia to continue their inquiry.
301679
British police, in Moscow as part of  their probe into the Litvinenko poisoning, seemed set to see  star witness, ex-KGB agent Andrei Lugovoy, on Wednesday, one of  his associates said.
214157
A British investigation into the radiation poisoning of former Russian spy Alexander Litvinenko has moved to Moscow, testing Russian authorities' willingness to cooperate with the probe.
555665
A coroner in Britain formally opened an inquest Thursday into the death in London of former Russian spy Alexander Litvinenko, who was poisoned with a radioactive substance.
135566
Russia on Monday cleared the way for British detectives probing the mystery poisoning of former KGB spy Alexander Litvinenko to visit Moscow, and promised to help their investigation.
241735
Britain is using the case of murdered Kremlin critic Alexander Litvinenko in a political campaign that is harming ties with Russia, Interfax news agency quoted Russia's foreign minister as saying on Friday.
293860
Britain is using the case of murdered  Kremlin critic Alexander Litvinenko in a political campaign  that is harming ties with Russia, Interfax news agency quoted  Russia&#39;s foreign minister as saying on Friday.
115228
An inquest is due to be opened into the death of the former Russian spy Alexander Litvinenko.
357935
Russian detectives are to be allowed to come to Britain as part of their investigation into the radiation poisoning death of former KGB agent Alexander Litvinenko, according to The Observer newspaper.
110216
Russian authorities hope to receive consent as early as next week to send investigators to Britain to probe the poisoning death of former security agent Alexander Litvinenko, the chief prosecutor's office said Sunday.
157793
British police said on Wednesday they  were now treating the death of poisoned former Russian spy  Alexander Litvinenko as murder, raising the stakes in an  investigation that has extended from London to Moscow.
160960
LONDON, Dec. 4 -- A team of British police investigators arrived in Moscow on Monday to begin questioning people about the poisoning death of Alexander Litvinenko, a former Russian spy who had recently become a British citizen, in a case that is straining relations between the two governments.
428298
An Italian contact of a former Russian  spy who was poisoned in London said on Wednesday the Russian  mafia and corrupt government officials had a strong motive to  silence Alexander Litvinenko.
338081
An Italian academic who met former Russian spy Alexander Litvinenko the day he became ill from radiation poisoning is under police protection in London and undergoing medical tests, a legal source said on Tuesday.