Russia-Ukraine war: Key things to know about the conflict

Russian forces have continued their assault on Ukraine, firing on suburbs around the capital of Kyiv and attacking other cities, even as the two countries held another round of diplomatic talks. The talks ended Monday without a breakthrough, but more negotiations are scheduled for Tuesday. The fighting is now in its third week. Thousands of soldiers and civilians have died and the war has forced more than 2.8 million people to flee Ukraine. Some of the exhausted refugees have shared heartbreaking stories about leaving family members behind, with  one woman simply saying: “I wish this war would end.”