London (AP) Six months after the mysterious poisoning death of former Russian spy Alexander Litvinenko, British prosecutors say they're ready to file charges.
The head of public prosecutions says there's enough evidence to charge Russian businessman and former KGB agent Andrei Lugovoi with murder.
Ken Mac Donald says he's seeking Lugovoi's immediate extradition from Russia.
Litvinenko died in November after being poisoned by the radioactive substance Polonium-210. On his deathbed, he accused Russian President Vladimir Putin of being behind it.
The Russian government denies involvement.
Russian prosecutors have already said they would not extradite suspects to Britain in the case.
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