Russian Foreign Minister Sergey Lavrov and President of Iran Hassan Rouhani, right, at a meeting in Tehran.

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Russian Foreign Minister Sergey Lavrov, first right, and Iranian Foreign Minister Javad Zarif, third left, at a meeting in Tehran.

11.12.2013#2336698

Russian Foreign Minister Sergey Lavrov and Iranian Foreign Minister Javad Zarif, right, at a meeting in Tehran.

11.12.2013#2336697

Russian Foreign Minister Sergey Lavrov and President of Iran Hassan Rouhani, right, at a meeting in Tehran.

11.12.2013#2336696