Ukraine's leader welcomed a raft of new economic sanctions against Russia being imposed by the Trump administration and the European Union on Thursday, calling the increased pressure on Moscow "very important."

CBS News correspondent Ramy Inocencio says the new U.S. sanctions , announced by the Treasury on Wednesday, essentially block Americans from dealing with anyone at the Russian oil giants Rosneft and Lukoil, or with any companies that are more than 50% owned by them.

The sanctions are a win for Zelenskyy. But despite President Trump's open frustration with Russia's strongman leader, who has refused to negotiate a truce, American pressure on Moscow has increased only economically so far, not with the provision of long-range additional weapons , or even with overt permission

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