Tycoon Says He'll Cooperate in Spy Probe

LONDON - An exiled Russian billionaire said Friday he would be willing to speak to Russian police investigating the death of former spy Alexander Litvinenko - but only if they are first checked for weapons and poison.

Boris Berezovsky, a fierce critic of the Kremlin, was a friend of Litvinenko, who died in November several weeks after falling ill with what was later determined to be poisoning by the rare radioactive isotope polonium-210.

Russia's chief prosecutor, Yuri Chaika, said Tuesday he wanted to question Berezovsky about the death of the 43-year-old former KGB agent.

The former agent fled to Britain after leaving Russia and was granted asylum. In exile, he …