Ukraine-Russia crisis: What to know about the fears of war


              French President Emmanuel Macron, right, is welcomed by Ukrainian President Volodymyr Zelenskyy before their talks Tuesday, Feb. 8, 2022 in Kyiv, Ukraine. Diplomatic efforts to defuse the tensions around Ukraine continued on Tuesday with French President Emmanuel Macron in Kyiv the day after hours of talks with the Russian leader in Moscow yielded no apparent breakthroughs. (AP Photo/Thibault Camus, Pool)
            
              Ukrainian President Volodymyr Zelenskyy, right, meets French President Emmanuel Macron, Tuesday, Feb. 8, 2022 in Kyiv, Ukraine. Diplomatic efforts to defuse the tensions around Ukraine continued on Tuesday with French President Emmanuel Macron in Kyiv the day after hours of talks with the Russian leader in Moscow yielded no apparent breakthroughs. (AP Photo/Thibault Camus, Pool)
            
              In this handout photo provided by the Ukrainian Presidential Press Office, Ukrainian President Volodymyr Zelenskyy, left, and French President Emmanuel Macron greet each other prior to their talks in Kyiv, Ukraine, Tuesday, Feb. 8, 2022. Diplomatic efforts to defuse the tensions around Ukraine continued on Tuesday with French President Emmanuel Macron arriving in Kyiv the day after hours of talks with the Russian leader in Moscow yielded no apparent breakthroughs.  (Ukrainian Presidential Press Office via AP)
            
              French President Emmanuel Macron arrives to meet Ukrainian President Volodymyr Zelenskyy Tuesday, Feb. 8, 2022 in Kyiv, Ukraine. Diplomatic efforts to defuse the tensions around Ukraine continued on Tuesday with French President Emmanuel Macron in Kyiv the day after hours of talks with the Russian leader in Moscow yielded no apparent breakthroughs. (AP Photo/Thibault Camus, Pool)
            
              A Ukrainian serviceman feeds his dog as other soldiers eat in a shelter at the frontline positions near Zolote, Ukraine, Monday, Feb. 7, 2022. The buildup of over 100,000 Russian troops near Ukraine has fueled Western worries of a possible offensive. White House national security adviser Jake Sullivan warned Sunday that Russia could invade Ukraine "any day," triggering a conflict that would come at an "enormous human cost." (AP Photo/Evgeniy Maloletka)
            
              Anna Pylypivna, one of the few residents who did not abandon their homes in the frontline village of Novooleksandrivka, eastern Ukraine, looks out of the window of her home, Monday, Feb. 7, 2022. International efforts to defuse the standoff over Ukraine intensified Monday, with French President Emmanuel Macron holding talks in Moscow and German Chancellor Olaf Scholz in Washington to coordinate policies as fears of a Russian invasion mounted. (AP Photo/Vadim Ghirda)