Ukrainian President Volodymyr Zelensky was set Monday to make a last-ditch plea for US aid before it runs out this year, with Republicans arguing that the United States should no longer provide open-ended backing to Ukraine's battle against Russian invasion.
Zelensky, who was in Argentina over the weekend, was due to deliver a 12:00 pm (1700 GMT) address to the National Defense University in Washington, following an introduction by US Defense Secretary Lloyd Austin, the Pentagon said.
