Russia’s top nuclear official said today that his country tightly controls all exports of polonium, the radioactive isotope that British authorities suspect killed former KGB agent Alexander Litvinenko in London.

Russian Foreign Minister Sergey Lavrov today said that Moscow would hold another round of nuclear consultations with Iran shortly.

Russian and Iranian delegations ended a day of high-profile nuclear talks without any visible breakthrough, but agreed to continue their negotiations on Moscow’s proposal to enrich uranium for Iran as a way of reducing suspicion that Tehran is trying to develop nuclear weapons.

Russian and Iranian negotiators today ended a day of talks on Moscow’s proposal to enrich uranium for Iran with an agreement to continue negotiations, but did not announce a date.

Russia expressed limited hope today as Russian and Iranian officials started talks in Moscow on an offer to enrich uranium for Iran, seen as a final opportunity for the Islamic regime to avoid the threat of international sanctions over Western concerns it is developing nuclear weapons.

Russia’s nuclear agency chief today said that the nation needed to build dozens of nuclear reactors in a massive effort that would require restoring production links with nuclear-related industrial facilities in other ex-Soviet nations.

The head of Russia’s atomic energy agency today said Iran was ready for detailed discussions on the proposal to conduct Iran’s uranium enrichment in Russia.

Russia says it has made more than 66 tons of mustard gas safe in its first chemical weapons destruction centre.