Russian President Vladimir Putin says he is optimistic a deal with Iran on its controversial nuclear program can be reached.
During a visit to Hungary Tuesday, Mr. Putin said it is quite possible to reach agreement on Moscow's proposal to enrich uranium on Russian soil for Iran's nuclear energy needs.
Iran has said it agrees in principle to the deal. But it is unclear if it would also agree to stop domestic uranium enrichment - a demand of Russia and the West.
A Japanese official Tuesday quoted Iran's visiting Foreign Minister Manouchehr Mottaki as saying that the Russian plan would be a bridge between Iran's right to peaceful nuclear energy and global trust in Tehran.
The United States and European Union say Iran is pursuing nuclear weapons - a charge it denies.
Some information for this report provided by Reuters, AP and AFP.