Alexander Litvinenko widow: PM 'did nothing' after my husband's death

Britain appears unable to protect those seeking political asylum in the UK, according to the widow of murdered Alexander Litvinenko.Marina Litvinenko, whose husband was poisoned with radioactive polonium in 2006, told Sky News "nothing was done" following a public inquiry into Mr Litvinenko's death.Mr Litvinenko was a former Russian FSB agent who went on to work with MI6 after fleeing to the UK.