There is a graphic photo of soldiers removing human remains.
The United States is collecting evidence of possible war crimes by Russia during its invasion of Ukraine, a National Security Council spokesman told NBC News on Monday.
The U.S. is looking into possible human rights abuses by Russia.
More than 1.5 million refugees fled the country after the attack on Ukraine, which included shelling of civilian areas.
It came a day after a New York Times journalist and the mayor of Irpin, Ukraine, reported seeing a family of two adults and two young children killed by Russian shelling.
We are appalled by Russia's brutal tactics and the rising number of innocent civilians who have been killed in Russian strikes, which have reportedly hit schools, hospitals, kindergartens, an orphanage, residential buildings, and those fleeing through humanitarian corridors.
They said they are collecting evidence of possible war crimes, human rights abuses, and violations of international humanitarian law.
The U.S. ambassador to the Organization for Security and Co-operation in Europe condemned the war between Russia and the United States.
45 states launched the Moscow Mechanism last Thursday to document and gather evidence of violations of international law by Russia.
The report from that inquiry should be presented to the International Criminal Court and the International Court of Justice.
The brutality of this war is both revolting and heartbreaking.
Children have been killed, grandparents driven from their homes, families forced to flee their country in the face of relentless strikes on civilian infrastructure, he said.
EDITORS NOTE: Graphic content / Police officers prepare to remove the bodies of passersby killed in yesterday’s airstrike that hit Kyiv’s main television tower in Kyiv on March 2, 2022.The depravity of it all is mind-blowing.
Russia agreed to open a humanitarian corridor out of the cities of Volnovakha and Mariupol on Saturday and Sunday, which it bombed as civilians fled.
He said it was pure evil.
The ambassador said that on Monday, Russia proposed that Ukrainians flee the areas under Russian attack by going to Russia and Belarus, which are allies.
This is the height of cynicism.
The Secretary of State told CNN on Sunday that there were credible reports of attacks on civilians which would constitute a war crime. There are very credible reports about the use of certain weapons.