Ukrainian President Volodymyr Zelenskyy flies to Washington, D.C., on Monday under heavy U.S. pressure to agree to a swift end to Russia's war in his country but determined to defend Kyiv's interests — without sparking a second Oval Office bust-up with U.

The heads of Britain, Italy, Finland and France will join Ukraine's president who is under U.S. pressure to accept a quick deal to end Russia's war on terms that would be hugely difficult to accept.