What is the risk of a war between Russia and Ukraine?

FILE PHOTO: A serviceman of the Ukrainian Armed Forces takes part in military drills at a training ground near the border with Russian-annexed Crimea in Kherson region, Ukraine, in this handout picture released by the General Staff of the Armed Forces of Ukraine press service November 17, 2021. Press Service of General Staff of the Armed Forces of Ukraine/Handout via REUTERS/File Photo

(Reuters) - Russian troop movements near Ukraine have drawn concern from Kyiv and the United States that it might be considering attacking its neighbour. Here is a look at some of the questions that raises.

WHAT ARE THE TWO SIDES SAYING ABOUT THE RISK OF CONFLICT?