Russian President Putin backs Iran 's ` ` peaceful '' nuclear program during visit . Putin in Tehran to attend meeting of Caspian Sea Commission to discuss human rights . Putin , Russia set to discuss Iranian nuclear program , U.S. push for talks . `` The Iranians are cooperating with Russian nuclear agencies and the main objectives are peaceful objectives , '' he said . Putin downplay rumors of nuclear plot ; Iran says claims are ` ` baseless ''
Russian President Putin backs Iran 's ` ` peaceful '' nuclear program during visit . Putin in Tehran to attend meeting of Caspian Sea Commission to discuss human rights . Putin , Russia set to discuss Iranian nuclear program , U.S. push for talks . Putin downplay rumors of nuclear plot ; Iran says claims are ` ` baseless ''