LAUSANNE, March 30. /TASS/. Russian Foreign Minister Sergey Lavrov will hold meetings later today in Switzerland's Lausanne in the framework of negotiations on Iran’s nuclear program, a source in the Russian delegation said on Monday.
After that, Lavrov will return to Moscow to hold talks scheduled for today, the source said.
"It is not ruled out that he [Lavrov] will go back to Lausanne on Tuesday, if progress is seen in nearing concrete agreements," the source added.