A woman walks outside the maternity hospital damaged by shelling in Mariupol, Ukraine, on Wednesday.

Ukrainian emergency employees and volunteers carry an injured pregnant woman from the damaged maternity hospital that was shelled by Russian forces in Mariupol, Ukraine, on Wednesday.

This image taken from video shows the destruction of Mariupol Hospital after a Russian shelling attack, in Mariupol, Ukraine, on Wednesday. President Volodymyr Zelensky wrote on Twitter that there were “people, children under the wreckage” of the hospital and called the strike an “atrocity.”

An injured pregnant woman walks down stairs in the damaged maternity hospital in Mariupol, Ukraine, on Wednesday.

A car burns at the side of the damaged maternity hospital after it was hit by Russian shelling in Mariupol, Ukraine, on Wednesday.

A man carries his child away from the shell-damaged maternity hospital in Mariupol, Ukraine, on Wednesday.

A medical worker walks inside the damaged maternity hospital in Mariupol, Ukraine, on Wednesday.

Smoke rises after shelling in Mariupol, Ukraine, on Wednesday.

A Ukrainian Territorial Defence Forces member hugs a resident who leaves his hometown following Russian artillery shelling in Irpin, on the outskirts of Kyiv, Ukraine, on Wednesday.

A mortuary worker wheels a stretcher used to move bodies before they are buried on the outskirts of Mariupol, Ukraine, on Wednesday.

Axana Opalenko, 42, holds Meron, 2 months old, in an effort to warm him after fleeing from Ukraine, at the border crossing in Medyka, Poland, on Wednesday.

Ukrainian Territorial Defence Forces members train to use an NLAW anti-tank weapon on the outskirts of Kyiv, Ukraine, on Wednesday.

A Ukrainian serviceman takes a shooting position as he looks at approaching vehicles in Irpin, on the outskirts of Kyiv, on Wednesday.

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

Tatiana Kostyuk, 38, from Zaporozhye, gives food to a child after fleeing Ukraine, at the border crossing in Medyka, Poland, on Wednesday.

A child is carried on a stroller across an improvised path while fleeing Irpin, on the outskirts of Kyiv, Ukraine, on Wednesday.

An elderly man is evacuated from Irpin, on the outskirts of Kyiv, on Wednesday.

A woman is among those evacuated by bus from Irpin, on the outskirts of Kyiv, Ukraine, on Wednesday.

A refugee who fled war in neighboring Ukraine sits in front of a tent after crossing to Medyka, Poland, on Wednesday.

Ukrainians cross an improvised path under a destroyed bridge while fleeing Irpin, on the outskirts of Kyiv, Ukraine, on Wednesday.

A Ukrainian serviceman stands near the monument of Duke de Richelieu, covered by sandbags to protect it from possible damage, in Odesa, Ukraine, on Wednesday.

A Russian military uniform lies on the pavement in Irpin, on the outskirts of Kyiv, on Wednesday.