And Trump’s attack on Zelensky, who was hailed as a hero in the United States for resisting Russia’s Blitzkrieg on Kyiv early in the war, was a graphic sign of how the new American administration has reversed Washington’s stance of supporting the victim of the invasion and is now rewarding the aggressor.

Among the topics the leaders discussed in their first confirmed conversation of President Trump’s second term was ending the war in Ukraine, he said.