Inside besieged Mariupol

People pass by a Russian soldier in central Mariupol on April 12, 2022, as Russian troops intensify a campaign to take the strategic port city, part of an anticipated massive onslaught across eastern Ukraine, while Russia's president makes a defiant case for the war on Russia's neighbor. This picture was taken during a trip organized by the Russian military.

A Russian national flag flies in front of destroyed buildings in Mariupol, Ukraine on April 12, 2022, as Russian troops intensify a campaign to take the strategic port city, part of an anticipated massive onslaught across eastern Ukraine, and Russia's president makes a defiant case for the war on Russia's neighbor.

A woman talks to a Russian soldier as people wait in line at a food distribution organized by the Russian army and volunteers in Mariupol, Ukraine, April 12, 2022.

A woman holds and kisses a child next to Russian soldiers in a street of Mariupol, Ukraine, April 12, 2022.

A woman holds bread as people wait in line at a food distribution organized by the Russian army and volunteers in Mariupol, Ukraine, April 12, 2022.

A dog crosses a street of Mariupol, Ukraine, April 12, 2022.

Teacher Alla Bubela, 46, and Andriy Bubela, 46, a steelworker at an Azovstal plant, take shelter from shelling in the entryway of an apartment building during the Ukraine-Russia conflict in the southern port city of Mariupol, Ukraine, April 12, 2022.

A man carries artificial flowers to place on a grave in a cemetery during the Ukraine-Russia conflict, in the southern port city of Mariupol, Ukraine, April 10, 2022.

Service members of pro-Russian troops load ammunition into an armored personnel carrier during fighting in the Ukraine-Russia conflict in the southern port city of Mariupol, Ukraine, April 12, 2022.

A view shows the building of a theater destroyed in the course of the Ukraine-Russia conflict, as a word "children" in Russian is written in large white letters on the pavement, in the southern port city of Mariupol, Ukraine, April 10, 2022.

A satellite image shows an overview of Azovstal Iron and Steel Works in Mariupol, Ukraine, April 9, 2022.

Graves of civilians killed during the Ukraine-Russia conflict are seen next to apartment buildings in the southern port city of Mariupol, Ukraine, April 10, 2022.

Service members of pro-Russian troops drive armored vehicles on a road outside the southern port city of Mariupol during the Ukraine-Russia conflict, Ukraine, April 10, 2022.

A view shows the building of a theater destroyed in the course of the Ukraine-Russia conflict in the southern port city of Mariupol, Ukraine, April 10, 2022.

Residents walk along a street near a building destroyed in the course of the Ukraine-Russia conflict, in the southern port city of Mariupol, Ukraine, April 10, 2022.

Residents walk near a building destroyed in the course of the Ukraine-Russia conflict, in the southern port city of Mariupol, Ukraine, April 10, 2022.

A resident stands with her belongings on a street near a building burned in the course of the Ukraine-Russia conflict, in the southern port city of Mariupol, Ukraine, April 10, 2022.

An armored vehicle of pro-Russian troops is seen in the street during Ukraine-Russia conflict in the southern port city of Mariupol, Ukraine, April 11, 2022.

Service members of pro-Russian troops drive an armored vehicle during Ukraine-Russia conflict in the southern port city of Mariupol, Ukraine, April 11, 2022.

Residents carry their belongings near buildings destroyed in the course of Ukraine-Russia conflict, in the southern port city of Mariupol, Ukraine, April 10, 2022.

An aerial view taken on April 12, 2022, shows the city of Mariupol, during Russia's military invasion launched in Ukraine.

Emergency workers remove the debris of a building destroyed in the course of the Ukraine-Russia conflict, in the southern port city of Mariupol, Ukraine, April 10, 2022.

Two Russian soldiers patrol a Mariupol theater hit by a Russian airstrike on March 16, in Mariupol, April 12, 2022.

A Russian soldier climbs stairs at the Mariupol theater hit on March 16 by a Russian airstrike, on April 12, 2022, in Mariupol, Ukraine.

A young man walks in a street of Mariupol on April 12, 2022.

This satellite image released on April 12, 2022, by Maxar Technologies shows buildings on fire in western Mariupol, Ukraine, April 9, 2022.

This picture taken from the Mariupol drama theater, hit on March 16 by a Russian airstrike, shows the central avenue of Mariupol, Ukraine, April 12, 2022.

Russian soldiers and volunteers distribute bread in Mariupol, Ukraine, April 12, 2022.