Moscow’s forces are three miles from Dnipropetrovsk, a province they have never invaded. If they cross in, the advance would be a morale blow to Ukraine and complicate any territorial negotiations.

A “window for peace is opening” in Ukraine, China’s top diplomat told a meeting of G20 foreign ministers on Thursday, as the Trump administration ramps up its push to end the war in close coordination with Russia.

Delta Air Lines CEO Ed Bastian said on Wednesday the pilots of the regional jet that flipped upside down upon landing in Toronto this week were experienced and familiar with flying in wintry conditions.