Photos: Russia's invasion of Ukraine continues to bring death and displacement

Editor's note: Graphic content

On the fourth week of the war over 3.3 million Ukrainians have fled the country, another 6.5 million people have been displaced within Ukraine, according to the U.N.'s International Organization for Migration.

Updated March 20, 2022 at 3:39 PM ET

Ukrainian officials say Russian troops bombed an art school in the besieged city of Mariupol on Sunday. Authorities said 400 people had taken shelter there. It's unclear how many may have been wounded or killed in the strike.

Russia claims the use of a hypersonic Kinzhal missile on Friday, targeting an underground arms depot in western Ukraine. If confirmed it would be the first use of a hypersonic weapon in combat during its offensive in Ukraine.

Ukrainian President Volodymyr Zelensky addressed Israeli lawmakers Sunday and urged them to do more to aid Ukraine.

Here's a look at the situation on the ground this week: [Copyright 2022 NPR]