Live updates: As many as 15,000 Russians killed in fighting


              Roberto Marquez, a volunteer from Mexico, makes an installation with the Ukrainian flag in Medyka, southeastern Poland, on Wednesday, March 23, 2022. Poland has received more than 2 million Ukrainian refugees since the Feb. 24 invasion. (AP Photo/Sergei Grits)
            
              Adult male lion named Simba sits inside a cell at a zoo in Radauti, about 30 kilometers (18 miles) south of Romania's northern Siret border on Wednesday, March 23, 2022. The lion and a wolf wolf named Akyla, have been evacuated from a zoo in war-torn Ukraine to safety in Romania in what an animal rights group says was a four-day mission "full of dangers" further hampered by bureaucracy at the border. (AP Photo/Eldar Emric)
            
              Ukrainian refugees pass the border crossing in Medyka, southeastern Poland, on Wednesday, March 23, 2022. The United Nations says more than 3.5 million people — mainly women and children — have fled Ukraine in the four weeks since Russian tanks rolled across the border and Moscow began bombarding towns and cities. (AP Photo/Sergei Grits)
            
              A Ukrainian firefighter sprays water in the ruins of a house destroyed by bombing in Kyiv, Ukraine, Wednesday, March 23, 2022. The Kyiv city administration says Russian forces shelled the Ukrainian capital overnight and early Wednesday morning, in the districts of Sviatoshynskyi and Shevchenkivskyi, damaging buildings. (AP Photo/Vadim Ghirda)
            
              Municipal workers finish to cover the statue of Italian poet and philosopher Dante Alighieri with sandbags to protect it from potential damage from shelling, in Kyiv, Ukraine, Wednesday, March 23, 2022. The statue, by sculptor Luciano Massari, was inaugurated in 2015 to mark 750 years since Dante's birth. (AP Photo/Vadim Ghirda)
            
              Kyiv Mayor Vitali Klitschko speaks during a press conference in Kyiv, Ukraine, Wednesday, March 23, 2022. From a public park in the city, Klitschko said 264 civilians had so far died from Russian bombardment on the capital, including four children. As he spoke to reporters, explosions and loud gunfire echoed across the city. (AP Photo/Vadim Ghirda)
            
              Volodymyr, 80, gestures inside his apartment, damaged by shelling, in Kyiv, Ukraine, Wednesday, March 23, 2022. "My mother was evacuated during World War II while being pregnant with me, and I need to be evacuated from Kyiv to stay safe, I can not believe it", said Volodymyr to The Associated Press. (AP Photo/ (AP Photo/Rodrigo Abd)