According to the foreign minister, Moscow is open to any format of negotiations on Ukraine, but summit meetings must be carefully prepared at all preceding stages MOSCOW, August 20. /TASS/. Ukraine has still not responded to Russia's proposal to organize work in three groups in an online format, Russian Foreign Minister Sergey Lavrov said at a press conference. Moscow is ready for talks on the Ukrainian settlement in any format, provided that they are honest and do not amount to Washington's