Russian Foreign Minister Sergei Lavrov, right, during a meeting with his Syrian counterpart Walid Muallem in Moscow.

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Syrian Foreign Minister Walid Muallem during a meeting with his Russian counterpart Sergei Lavrov in Moscow.

29.06.2015#2652714

Russian Foreign Minister Sergei Lavrov during a meeting with his Syrian counterpart Walid Muallem in Moscow.

29.06.2015#2652707

Russian Foreign Minister Sergei Lavrov, right, and his Syrian counterpart Walid Muallem during a meeting in Moscow.

29.06.2015#2652706

Russian Foreign Minister Sergei Lavrov, right, and his Syrian counterpart Walid Muallem during a meeting in Moscow.

29.06.2015#2652705