Andrei Lugovoi and Dmitri Kovtun, two Russians identified as prime suspects by British police, probably carried out the poisoning under the instruction of Russian security services, the inquiry said.
Prime Minister David Cameron's office called the findings "extremely disturbing" but the government did not announce sanctions in response, instead summoning Moscow's ambassador to London for talks.
It did, however, impose asset freezes on the two alleged perpetrators named by the inquiry.
There were cries of "Yes!" at the High Court in London as the main findings were read out.
Litvinenko's wife Marina, dressed in black and accompanied by her 21-year-old son Anatoly, embraced supporters afterwards .... http://news.yahoo.com