Russia's largest military shipbuilding and diamond mining firms were targeted.
Russian President Vladimir Putin's "special military operation” into Ukraine began on Feb. 24, with troops crossing the border from Belarus and Russia. Moscow's forces have since been met with “stiff resistance” from Ukrainians, according to U.S. officials.
Russian forces retreated last week from the Kyiv suburbs, leaving behind a trail of destruction. After graphic images emerged of civilians lying dead in the streets of Bucha, U.S. and European officials accused Russian troops of committing war crimes.
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A look at the two leaders at the center of the war in Ukraine and how they both rose to power, the difference in their leadership and what led to this moment in history.
The number of refugees in the Ukraine crisis has increased to 2.5 million, according to the United Nations High Commissioner for Refugees.
Commissioner Filippo Grandi called the conflict "senseless" in a tweet and said that the number of displaced people inside Ukraine had reached about 2 million.
-ABC News' Zoe Magee
