Britain has said it is "wholly unacceptable" for Russian authorities to have accused one of its diplomats of spying.
The British Council on Thursday denounced a Russian "campaign of intimidation," which it said had made it impossible to continue operating in two Russian cities.
Russian President Vladimir Putin has said he believes relations with Britain will develop normally despite what he called a "mini-crisis" after tit-for-tat diplomatic expulsions condemned by London as "completely unjustified."
Russia has reiterated its dismay at Britain's decision to expel four of its diplomats and is preparing a "targeted" response "very soon," the foreign ministry says.
Britain will expel four Russian diplomats over the Kremlin's refusal to extradite the key suspect in the murder of a former KGB agent fatally poisoned in London
Britain is to expel four Russian diplomats in protest over Moscow's refusal to extradite a key suspect in the poisoning of a former KGB agent.
Britain has condemned Russia's refusal to extradite Andrei Lugovoi to face murder charges for the poisoning death of an ex-KGB agent in London as "extremely disappointing."
Andrei Lugovoi -- the man British authorities accuse of poisoning a former Russian spy in London last year -- told reporters Thursday he wasn't behind the ex-KGB agent's murder, but speculated the British government may have been.
British prosecutors seek extradition of a Russian suspect in the murder of an ex-KGB man. But the Kremlin is balking
British officials seeking to prosecute a former KGB agent for the murder of an outspoken Kremlin critic were on Wednesday preparing a formal extradition request that Russia has already said it will reject.
Britain has said it is "wholly unacceptable" for Russian authorities to have accused one of its diplomats of spying.
The British Council on Thursday denounced a Russian "campaign of intimidation," which it said had made it impossible to continue operating in two Russian cities.
Russian President Vladimir Putin has said he believes relations with Britain will develop normally despite what he called a "mini-crisis" after tit-for-tat diplomatic expulsions condemned by London as "completely unjustified."
Russia has reiterated its dismay at Britain's decision to expel four of its diplomats and is preparing a "targeted" response "very soon," the foreign ministry says.
Britain will expel four Russian diplomats over the Kremlin's refusal to extradite the key suspect in the murder of a former KGB agent fatally poisoned in London
Britain is to expel four Russian diplomats in protest over Moscow's refusal to extradite a key suspect in the poisoning of a former KGB agent.
Britain has condemned Russia's refusal to extradite Andrei Lugovoi to face murder charges for the poisoning death of an ex-KGB agent in London as "extremely disappointing."
Andrei Lugovoi -- the man British authorities accuse of poisoning a former Russian spy in London last year -- told reporters Thursday he wasn't behind the ex-KGB agent's murder, but speculated the British government may have been.
British prosecutors seek extradition of a Russian suspect in the murder of an ex-KGB man. But the Kremlin is balking
British officials seeking to prosecute a former KGB agent for the murder of an outspoken Kremlin critic were on Wednesday preparing a formal extradition request that Russia has already said it will reject.
British prosecutors are to ask Russia to extradite businessman and former KGB agent Andrei Lugovoi to face murder charges in the radioactive poisoning death of ex-Russian spy Alexander Litvinenko.
Russian prosecutors say they will refuse to extradite Andrei Lugovoi, charged by Britain in the poisoning death of Alexander Litvinenko, to London because of a constitutional ban.
Toxicology tests confirmed Friday that two American women are suffering from thallium poisoning, according to a California hospital.
Two American women who were hospitalized in Moscow earlier this week with possible thallium poisoning were in fair but stable condition Thursday at Cedars-Sinai Medical Center in Los Angeles, California, the hospital said.
An Italian man who met with former Russian spy Alexander Litvinenko the day Litvinenko was poisoned was arrested Sunday on other charges, police said.
The widow of murdered former Russian spy Alexander Litvinenko says she does not believe President Vladimir Putin was personally responsible for his death, but says the Russian authorities could be behind the poisoning.
The funeral of the poisoned Russian former spy Alexander Litvinenko was held at Highgate Cemetery in north London -- the burial place of the founder of communism, Karl Marx.
Investigations into the death of Russian ex-spy Alexander Litvinenko took a new twist Thursday with reports that one of his contacts was in critical condition in a hospital after showing signs of radiation sickness.
Russia has opened a criminal case in the poisoning death of former spy Alexander Litvinenko, the Prosecutor General's office said Thursday.
A private funeral was due to take place in London Thursday for murdered Russian ex-spy Alexander Litvinenko.
The Italian security consultant who met Alexander Litvinenko on the day he was believed to have been poisoned said he wanted to warn the ex-spy his life was in danger.
Russia will refuse to extradite any suspects in the radioactive poisoning death of a former spy and outspoken critic of President Vladimir Putin to Britain, the country's top prosecutor has said.
A U.S.-based friend of a poisoned Russian ex-spy says he has given police the name of a suspect he believes orchestrated the killing of Alexander Litvinenko.
British detectives investigating the death of the former Russian spy Alexander Litvinenko are now pursuing inquiries in both London and Moscow. CNN's The Briefing Room has compiled a guide to who's who in the spy scandal.
The deepening mystery surrounding the death of the former KGB spy Alexander Litvinenko has been widely covered around the world.
British investigators were checking two more locations, including a London hotel, for possible radiation contamination in their probe of the fatal polonium-210 poisoning of former Russian spy Alexander Litvinenko.
Three British Airways planes, grounded while authorities examined them for traces of radiation, have been cleared to return to service, officials with Britain's Health Protection Agency said Saturday.
Pathologists took extreme precautions Friday performing an autopsy on the body of former KGB spy Alexander Litvinenko, who died after ingesting a fatal dose of the rare radioactive element polonium-210, according to the coroner's office.
The widow of former Russian spy Alexander Litvinenko and an Italian man he met in a London restaurant are showing no signs of illness despite testing positive for a radioactive substance used to poison the intelligence officer, friends and officials say.
A post-mortem examination on the body of poisoned ex-spy Alexander Litvinenko was being carried out in London Friday with special precautions being taken because of the nature of his death.
The wife of former Russian spy Alexander Litvinenko has tested positive for traces of polonium-210, a family source said Friday.
Doctors for former Russian Prime Minister Yegor Gaidar suspect he was poisoned when he fell ill last week in Ireland, his daughter, Maria Gaidar, said Thursday.
The number of sites contaminated in the Russian spy radiation alert has doubled to around 12 and is likely to rise again, British Home Secretary John Reid said.
Police investigating the death of former Russian spy Alexander Litvinenko have sealed off the offices of exiled billionaire Boris Berezovsky following the discovery there of traces of a deadly radioactive substance.
Three people have been referred to a special clinic for radiological tests following the death of a former Russian spy in London, a spokeswoman for Britain's Health Protection Agency (HPA) said on Monday.
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.
Police in Britain are studying security camera footage after finding radioactive traces at three London locations visited by a former Russian spy who accused Vladimir Putin of his murder in a deathbed statement.
A former KGB spy, in a statement read after his death, accused President Vladimir Putin of orchestrating his killing.
Traces of radioactive material that apparently killed a former Russian spy investigating the death of a Russian journalist were found at places where he ate and met other spies just before falling ill, British authorities said Friday.
A Russian former spy died Thursday night in a London hospital three weeks after his suspected poisoning, with doctors unable to determine the cause of his illness, hospital officials and police said.
While doctors scrambled to determine how a former Russian spy and prominent Kremlin critic was poisoned Wednesday, the Russian Foreign Intelligence Service again denied its involvement, arguing "such steps are not in our interest," a Russian official told Russian news agency Interfax.
Doctors are still trying to determine how a former Russian spy and prominent Kremlin critic was poisoned, but they have discounted suspicions that the toxic metal thallium was used, hospital officials said Tuesday.
In a week in which the latest James Bond movie premiered a few streets away in Leicester Square, the news of the apparent poisoning of a former KGB spy in a London sushi bar offered a glimpse into a real-life world of intrigue and espionage.

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