Live updates: French envoy compares Mariupol to Aleppo


              A Ukrainian serviceman stands in a heavily damaged building in Stoyanka, Ukraine, Sunday, March 27, 2022. Ukrainian President Volodymyr Zelenskyy accused the West of lacking courage as his country fights to stave off Russia's invading troops, making an exasperated plea for fighter jets and tanks to sustain a defense in a conflict that has ground into a war of attrition. (AP Photo/Vadim Ghirda)
            
              A Ukrainian serviceman kicks a burnt sleeping bag near the wreck of a Russian tank in Stoyanka, Ukraine, Sunday, March 27, 2022. Ukrainian President Volodymyr Zelenskyy accused the West of lacking courage as his country fights to stave off Russia's invading troops, making an exasperated plea for fighter jets and tanks to sustain a defense in a conflict that has ground into a war of attrition. (AP Photo/Vadim Ghirda)
            
              A Ukrainian serviceman walks next to the wreck of a Russian tank in Stoyanka, Ukraine, Sunday, March 27, 2022. Ukrainian President Volodymyr Zelenskyy accused the West of lacking courage as his country fights to stave off Russia's invading troops, making an exasperated plea for fighter jets and tanks to sustain a defense in a conflict that has ground into a war of attrition. (AP Photo/Vadim Ghirda)
            
              Ukrainian refugees wait for a transport at the central train station in Warsaw, Poland, Sunday, March 27, 2022. More than 3.7 million people have fled the war so far, Europe’s largest exodus since World War II. (AP Photo/Czarek Sokolowski)
            
              A man holds fragments of a rocket launched by the Russian forces at night, a rocket crater behind him, in the center of Kharkiv, Ukraine, Sunday, March 27, 2022. (AP Photo/Efrem Lukatsky)