His arrival in Washington, D.C. on Sunday came days after Trump met with Russian President Vladimir Putin in Alaska to discuss the war.

European leaders will join Ukraine's President Volodymyr Zelenskyy for his crucial meeting with President Trump in Washington on Monday.

Ukrainian President Volodymyr Zelenskyy said Russian President Vladimir Putin's continued refusal to accept a ceasefire is "complicating" efforts to reach a peace deal.