Photos: Russia attacks Ukraine as defiant Putin warns US, NATO Smoke and flame rise near a military building after an apparent Russian strike in Kyiv, Ukraine, Thursday, Feb. 24, 2022. (AP Photo/Efrem Lukatsky)
Photos: Russia attacks Ukraine as defiant Putin warns US, NATO Firefighters work on a fire on a building after bombings on the eastern Ukraine town of Chuguiv on February 24, 2022, as Russian armed forces are trying to invade Ukraine from several directions, using rocket systems and helicopters to attack Ukrainian position in the south, the border guard service said. (ARIS MESSINIS/AFP via Getty Images)
Photos: Russia attacks Ukraine as defiant Putin warns US, NATO Black smoke rises from a military airport in Chuguyev near Kharkiv on February 24, 2022. (ARIS MESSINIS/AFP via Getty Images)
Photos: Russia attacks Ukraine as defiant Putin warns US, NATO Black smoke rises from a military airport in Chuguyev near Kharkiv on February 24, 2022. (ARIS MESSINIS/AFP via Getty Images)
Photos: Russia attacks Ukraine as defiant Putin warns US, NATO Smoke rise from an air defense base in the aftermath of an apparent Russian strike in Mariupol, Ukraine, Thursday, Feb. 24, 2022. (AP Photo/Evgeniy Maloletka)
Photos: Russia attacks Ukraine as defiant Putin warns US, NATO A man and woman stand next to fragments of military equipment on the street in the aftermath of an apparent Russian strike in Kharkiv in Kharkiv, Ukraine, Thursday, Feb. 24, 2022. (AP Photo/Andrew Marienko)
Photos: Russia attacks Ukraine as defiant Putin warns US, NATO Damaged radar arrays and other equipment is seen at Ukrainian military facility outside Mariupol, Ukraine, Thursday, Feb. 24, 2022. (AP Photo/Sergei Grits)
Photos: Russia attacks Ukraine as defiant Putin warns US, NATO Black smoke rises from a military airport in Chuguyev near Kharkiv on February 24, 2022. (ARIS MESSINIS/AFP via Getty Images)
Photos: Russia attacks Ukraine as defiant Putin warns US, NATO Inhabitants of Kyiv leave the city following pre-offensive missile strikes of the Russian armed forces and Belarus on February 24, 2022, in Kyiv, Ukraine. (Pierre Crom/Getty Images)
Photos: Russia attacks Ukraine as defiant Putin warns US, NATO People react standing behind the cordoned off area around the remains of a shell in Kyiv on February 24, 2022. (SERGEI SUPINSKY/AFP via Getty Images)
Photos: Russia attacks Ukraine as defiant Putin warns US, NATO A shell is seen at a drug clinic in Belgorod, Russia, on Feb. 24, 2022. The Belgorod region borders Kharkov, Lugansk and Sumy regions. (Anton Vergun\TASS via Getty Images)
Photos: Russia attacks Ukraine as defiant Putin warns US, NATO In this image made from video released by the Russian Presidential Press Service, Russian President Vladimir Putin addressees the nation in Moscow, Russia, Thursday, Feb. 24, 2022. (Russian Presidential Press Service via AP)
Photos: Russia attacks Ukraine as defiant Putin warns US, NATO In this handout photo taken from video provided by the Ukrainian Presidential Press Office, Ukrainian President Volodymyr Zelensky addresses to the nation in Kyiv, Ukraine, Thursday, Feb. 24, 2022. (Ukrainian Presidential Press Office via AP)
Photos: Russia attacks Ukraine as defiant Putin warns US, NATO This photo shows a view of the city of Kyiv, Ukraine, Thursday, Feb. 24, 2022. (AP Photo/Emilio Morenatti)
Photos: Russia attacks Ukraine as defiant Putin warns US, NATO The remains of a shell is seen on a street in Kyiv on February 24, 2022. (SERGEI SUPINSKY/AFP via Getty Images)
Photos: Russia attacks Ukraine as defiant Putin warns US, NATO People take shelter in a subway after air raid sirens sounded across the city on February 24, 2022, in Kyiv, Ukraine. (Chris McGrath/Getty Images)
Photos: Russia attacks Ukraine as defiant Putin warns US, NATO A woman and child peer out of the window of a bus as they leave Sievierodonetsk, the Luhansk region, in eastern Ukraine, Thursday, Feb. 24, 2022. (AP Photo/Vadim Ghirda)
