KIEV, June 21 - Ukrainian President Petro Poroshenko said he had received assurances in Washington that the United States would keep the sanctions against Russia in place.

"The U.S. sanctions against Russia will remain in effect. During my meeting with U.S. President Donald Trump, I received firm assurances that the sanctions would not be lifted from Russia until Crimea is returned and until Russian aggression against Ukraine is stopped," Poroshenko said on Facebook in commenting on the outcome of his meeting with Trump in Washington, D.C., on Tuesday.