Biden Speaks to Ukraine's Volodymyr Zelensky

President Biden spoke Tuesday with Ukrainian President Volodymyr Zelensky for more than 30 minutes, the White House said.

Details on the phone call are expected to be released later in the day.

On Twitter, Mr. Zelensky said he had just spoken to Mr. Biden: “The American leadership on anti-Russian sanctions and defense assistance to Ukraine was discussed. We must stop the aggressor as soon as possible. Thank you for your support!”