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Poisoned Russian ex-spy 'serious' Poisoned ex-spy 'slightly worse'
(40 minutes later)
A former Russian KGB colonel living in Britain and poisoned by the toxic chemical thallium remains in a serious condition in hospital. A former Russian KGB colonel living in Britain and poisoned by the toxic chemical thallium has returned to intensive care, doctors have said.
Alexander Litvinenko, 43, an ex-KGB colonel and vocal critic of President Vladimir Putin, fell ill on 1 November after a meeting at a London sushi bar. Alexander Litvinenko, 43 - a vocal critic of Russian President Vladimir Putin - fell ill on 1 November after a meeting at a London sushi bar.
A clinical toxicologist said he had been poisoned with a potentially lethal dose of the metal thallium.
He is in a serious but stable condition in University College Hospital, London.He is in a serious but stable condition in University College Hospital, London.
He is reported to be under armed guard. Doctors say he was moved to intensive care as a precaution, after his condition deteriorated slightly.
Clinical toxicologist John Henry has said he was poisoned with a potentially lethal dose of the metal thallium.
Alex Goldfarb, who has been visiting Mr Litvinenko in hospital, said his friend had been poisoned because he was critical of the Russian government.Alex Goldfarb, who has been visiting Mr Litvinenko in hospital, said his friend had been poisoned because he was critical of the Russian government.
Mr Goldfarb added that doctors had told him he had a 50/50 chance of surviving the next three to four weeks.Mr Goldfarb added that doctors had told him he had a 50/50 chance of surviving the next three to four weeks.
He told BBC Radio 4's Today programme: "Of course we do not have any direct evidence other than he met some people during that day.He told BBC Radio 4's Today programme: "Of course we do not have any direct evidence other than he met some people during that day.
"He actually had a couple of meetings where he had drinks and this poison could be sprinkled there.""He actually had a couple of meetings where he had drinks and this poison could be sprinkled there."
'Seriously sick''Seriously sick'
Mr Litvinenko had been investigating the murder of Russian journalist Anna Politkovskaya, an outspoken critic of Mr Putin and Russian policy in Chechnya, who was shot dead at her Moscow apartment building last month.Mr Litvinenko had been investigating the murder of Russian journalist Anna Politkovskaya, an outspoken critic of Mr Putin and Russian policy in Chechnya, who was shot dead at her Moscow apartment building last month.
Speaking to the BBC last week, he said a contact had approached him to say they should talk, and they arranged to meet at a restaurant in Piccadilly.Speaking to the BBC last week, he said a contact had approached him to say they should talk, and they arranged to meet at a restaurant in Piccadilly.
Several hours after the meeting, I started to feel sick Alexander Litvinenko, former Russian agent Profile: Alexander Litvinenko Several hours after the meeting, I started to feel sick Alexander LitvinenkoFormer Russian agent Profile: Alexander Litvinenko
"He gave me some papers which contained some names - perhaps names of those who may have been involved in the murder of Anna Politkovskaya - and several hours after the meeting I started to feel sick.""He gave me some papers which contained some names - perhaps names of those who may have been involved in the murder of Anna Politkovskaya - and several hours after the meeting I started to feel sick."
Two weeks later Mr Litvinenko was taken seriously ill and admitted to hospital.Two weeks later Mr Litvinenko was taken seriously ill and admitted to hospital.
Clinical toxicologist John Henry said Mr Litvinenko was "quite seriously sick" and there was "no doubt" he had been poisoned by thallium, probably on 1 November. Mr Henry said Mr Litvinenko was "quite seriously sick" and there was "no doubt" he had been poisoned by thallium, probably on 1 November.
He said thallium was a "little bit like table salt" and that a very small amount could be lethal.He said thallium was a "little bit like table salt" and that a very small amount could be lethal.
"It is tasteless, colourless, odourless. It takes about a gram - you know, a large pinch of salt like in your food - to kill you.""It is tasteless, colourless, odourless. It takes about a gram - you know, a large pinch of salt like in your food - to kill you."
You could say it [thallium] is only available to secret services Russian tycoon Boris Berezovsky What is thallium? This assassination attempt was an attempt to kill a British citizen on British soil Oleg GordievskyFormer KGB colonel What is thallium?
"He looks like a ghost. He lost all his hair. He hasn't eaten for 18 days. He looks like an old man... a month ago he was a fit, handsome young man."
He added: "I think this is the work of the Russian Secret Service."
Dr Andres Virchis, a doctor from Barnet Hospital who earlier treated Mr Litvinenko, said his bone marrow had failed and he was not producing any normal immune cells.
That was "presumably as the effect of the thallium or even potentially some other unknown substances that we're not aware of", he said.
Russian tycoon Boris Berezovsky, who also lives in Britain, said thallium was a "special" poison, that "you couldn't just get over the counter".Russian tycoon Boris Berezovsky, who also lives in Britain, said thallium was a "special" poison, that "you couldn't just get over the counter".
"You could say it is only available to secret services," he said."You could say it is only available to secret services," he said.
Russian secret serviceRussian secret service
BBC security correspondent Gordon Corera says while there is no confirmed link to the poisoning, the British government is well aware of the activities of the Russian secret service in the UK.BBC security correspondent Gordon Corera says while there is no confirmed link to the poisoning, the British government is well aware of the activities of the Russian secret service in the UK.
He says the FSB, which succeeded the KGB after the cold war, has been accused in the past of carrying out operations against dissidents in a number of countries.He says the FSB, which succeeded the KGB after the cold war, has been accused in the past of carrying out operations against dissidents in a number of countries.
There has been no comment from the Kremlin and Russian media have carried few reports about the incident.There has been no comment from the Kremlin and Russian media have carried few reports about the incident.
Scotland Yard has confirmed it is investigating a "suspected poisoning", but there have been no arrests and inquiries are continuing. Officers questioned Mr Litvinenko in hospital for several hours on Sunday.Scotland Yard has confirmed it is investigating a "suspected poisoning", but there have been no arrests and inquiries are continuing. Officers questioned Mr Litvinenko in hospital for several hours on Sunday.
Journalist Anna Politkovskaya was gunned down in Moscow last monthMr Litvinenko fled Russia and was granted political asylum in Britain in 2001.Journalist Anna Politkovskaya was gunned down in Moscow last monthMr Litvinenko fled Russia and was granted political asylum in Britain in 2001.
British citizenBritish citizen
He is believed to have taken British citizenship this year, although this has not been confirmed by the Home Office.He is believed to have taken British citizenship this year, although this has not been confirmed by the Home Office.
Oleg Gordievsky, another former KGB colonel who defected to the UK and knows Mr Litvinenko well, said: "This assassination attempt was an attempt to kill a British citizen on British soil. It is absolutely outrageous."Oleg Gordievsky, another former KGB colonel who defected to the UK and knows Mr Litvinenko well, said: "This assassination attempt was an attempt to kill a British citizen on British soil. It is absolutely outrageous."
He told the BBC he believed Mr Litvinenko was poisoned when he drank a cup of tea at the flat of an old Russian friend - before the lunchtime meeting at the sushi restaurant.He told the BBC he believed Mr Litvinenko was poisoned when he drank a cup of tea at the flat of an old Russian friend - before the lunchtime meeting at the sushi restaurant.
In a book, Blowing up Russia: Terror from Within, Mr Litvinenko alleged that agents of the KGB's successor, the Federal Security Service (FSB), co-ordinated the 1999 apartment block bombings in Russia that killed more than 300 people.In a book, Blowing up Russia: Terror from Within, Mr Litvinenko alleged that agents of the KGB's successor, the Federal Security Service (FSB), co-ordinated the 1999 apartment block bombings in Russia that killed more than 300 people.
Russian officials blamed the explosions on Chechen separatists and in that year the Kremlin launched a new military offensive on Chechnya.Russian officials blamed the explosions on Chechen separatists and in that year the Kremlin launched a new military offensive on Chechnya.