【乌克兰动荡搅乱地区神经 美俄外长呼吁对话解决争端】Russian FM Sergei Lavrov and his US counterpart John Kerry have called for ceasefire in Ukraine ASAP and to start talks between the conflicting parties in compliance with the Geneva statement.大国幕后博弈操纵，乌局势能否拨云见日?
