Russian security service blamed for defectors high-profile death

CHRIS SHIP:

The FSB agents did it by pouring a deadly substance, polonium-210, into this teapot from which Mr. Litvinenko was drinking.

This was him in a hotel lobby a few moments before the meeting. He took just three or four sips of tea, he later told police, but after he'd left the hotel, the radiation had already started to spread through his body.

At the inquiry, the poisoning in a meeting room at the hotel here was referred to as a mini-act of nuclear terrorism on the streets of London. And because the orders likely came from the Kremlin, Mr. Litvinenko's widow has demanded today the strongest possible response from the British government.

MARINA LITVINENKO, Widow of Alexander Litvinenko: It's time for David Cameron. I'm calling immediately for complete expulsion from the U.K. of all Russian intelligence operatives.

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