Alexander Litvinenko's wife appears at death inquiry
2 February 2015 Last updated at 11:55 GMT
The public inquiry into the death of former KGB spy Alexander Litvinenko, is hearing evidence from his wife, Marina.
Mr Litvinenko died in 2006 in a London hospital after he was poisoned with radioactive polonium.
He had fled from Russia to the UK, where he became a vocal critic of the Kremlin and worked for the UK intelligence service MI6.
Richard Galpin has more details.
