In Photos: Russia's Invasion of Ukraine, March 9, 2022

Ukrainian emergency employees and volunteers carry an injured pregnant woman from the damaged by Russian shelling a maternity hospital in Mariupol, March 9, 2022.

Ukrainian soldiers and emergency employees checks the bomb crater outside a severely damaged maternity hospital by a Russian air strike in the besieged port city of Mariupol, Ukraine, March 9, 2022.

This image taken from video issued by Mariupol City Council shows the aftermath of Mariupol Hospital after an attack, in Mariupol, Ukraine, March 9, 2022. President Volodymyr Zelenskyy wrote on Twitter that there were “people, children under the wreckage” of the hospital and called the strike an “atrocity.

Dead bodies are put into a mass grave on the outskirts of Mariupol, Ukraine, March 9, 2022 as people cannot bury their dead because of the heavy shelling by Russian forces.

A Ukrainian serviceman aims toward Russian positions outside the city of Brovary, east of Kyiv, March 9, 2022.

Ukrainian Territorial Defense Forces members train to use an NLAW anti-tank weapon on the outskirts of Kyiv, March 9, 2022.

Ukrainian Territorial Defense Forces members walk past the city park as a camouflaged soldier stands in foreground, in the outskirts of Kyiv, March 9, 2022.

Musicians of the Kyiv-Classic Symphony Orchestra under the direction of conductor Herman Makarenko perform during an open-air concert named "Free Sky" at the Independence Square in central Kyiv, March 9, 2022.

Servicemen carry coffins during funerals of Dmytro Kotenko, Vasyl Vyshyvany and Kyrylo Moroz, Ukrainian servicemen killed during Russia's invasion of Ukraine, at Lychakiv cemetery in the western city of Lviv, March 9, 2022.

View of the damaged cadet corps building (R) and utility piping after Russian shelling in Kharkiv, March 8, 2022 in this still image from social media video.

A person is carried as people cross Irpin River as Russia's invasion on Ukraine continues, in Irpin outside Kyiv, March 9, 2022.

A man carries a dog as he crosses Irpin River in Irpin outside Kyiv, March 9, 2022.

A Ukrainian Territorial Defense Forces member hugs a resident who leaves his home town following Russian artillery shelling in Irpin, on the outskirts of Kyiv, March 9, 2022.

People fleeing Russia's invasion of Ukraine gather at the train station in Lviv, March 9, 2022.

People who fled the war from neighboring Ukraine sleep at the Przemysl train station in Przemysl, Poland, March 9, 2022.

People who fled the war from neighboring Ukraine buy train tickets at the Przemysl train station in Przemysl, Poland, March 9, 2022.

A woman fleeing from Ukraine is wrapped in a blanket to try to keep warm, at the border crossing in Medyka, Poland, March 9, 2022.

Tatiana Kostyuk, 38, from Zaporozhye, feeds her child at the border crossing in Medyka, Poland, March 9, 2022.

People warm up at a bonfire while waiting to board a train to Krakow after crossing the border from Ukraine to Poland, at the border checkpoint in Medyka, Poland, March 9, 2022.

A man carries a dog as people flee, amid Russia's invasion of Ukraine, in Irpin, Ukraine, March 9, 2022.

People wait to catch a train and leave Kramatorsk for western Ukraine at the railway station in Kramatorsk, March 9, 2022.

Ukrainian serviceman stands near to the monument of Duke de Richelieu, covered by sandbags to protect from possible damage, in Odessa, March 9, 2022.

People from the Lviv Volunteer Kitchen prepare food and dry rations for the Ukrainian military on the front lines, in Lviv, March 9, 2022.

Ukrainians arrive by ferry at the Isaccea-Orlivka border crossing, Romania, March 8, 2022.