Russian President Putin backs Iran 's `` peaceful '' nuclear program during visit . Copyright 2007 CNN . Putin in Tehran to attend summit of Caspian Sea nations to discuss oil rights . The U.S. and Israel have been at odds over the past several years, with Washington accusing Tel Aviv of covertly supporting militant groups like Hamas and Hezbollah that are fighting against Palestinian militants on Israel's side of Putin downplay rumors of assassination plot ; Iran says claims are `` baseless ''
Russian President Putin backs Iran 's `` peaceful '' nuclear program during visit . Putin in Tehran to attend summit of Caspian Sea nations to discuss oil rights . The U.S. and Israel have been at odds over the past several years, with Washington accusing Tel Aviv of covertly supporting militant groups like Hamas and Hezbollah that are fighting against Palestinian militants on Israel's side of Putin downplay rumors of assassination plot ; Iran says claims are `` baseless ''