REUTERS

Biden will speak about U.S. opposition to Russia's annexation of Crimea and American support for Ukraine's debt restructuring agreement, the official said on Wednesday, Reuters reports.

The official would not comment on whether the United States would pledge more military assistance to Ukraine during the trip next week.

Read alsoBiden and Juncker: sanctions against Russia should be tied to full implementation of Minsk accordsBiden will meet with Ukrainian President Petro Poroshenko and Ukrainian Prime Minister Arseniy Yatsenyuk on Monday.

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The visit comes on the heels of U.S. President Barack Obama's discussion with Russian President Vladimir Putin in Paris. Obama urged Putin to honor the Minsk cease-fire agreement in Ukraine.