Russian Foreign Minister Sergei Lavrov has once again insisted that the Iran nuclear problem should be resolved diplomatically. Meeting with a UN deputy secretary general for political affairs in Moscow on Tuesday, Lavrov \"placed special emphasis on the need to resolve this problem diplomatically. It was also pointed out that the principal efforts to clarify the remaining problems should be made by the IAEA, and Iran needs to actively cooperate with the agency,\" the Russian Foreign Ministry said in a statement on Tuesday. (Interfax)