Russia and Ukraine both hailed some progress in international efforts to ease their conflict on Wednesday, but traded accusations about each other’s commitment to peace. Ukrainian Foreign Minister Dmytro Kuleba told national television that the recent diplomatic offensive by Western allies had helped to keep a feared Russian military incursion at bay, even as tens of thousands of Russian troops remain stationed along his country’s borders. “Diplomacy works and is restraining Russia’s aggressive intentions,” Kuleba said. Russia has repeatedly denied any intentions to invade Ukraine. Kiev has be…