President Volodymyr Zelensky of Ukraine, whom Mr. Trump has given until Thursday to accept the plan, warned that his country faced “one of the most difficult moments in its history.” It is a U.S.-backed peace proposal to end Russia’s war in Ukraine that would have Ukraine capitulate on most of Mr. Putin’s demands.

The widely leaked draft of President Donald Trump’s 28-point plan is a terrifying leap backwards for Kyiv.

Washington's 28-point plan calls on Ukraine to cede territory, accept limits on its military and renounce ambitions to join NATO.