In the past week, President Donald Trump and senior Republican lawmakers have presented starkly different views of a top U.S. national security challenge: Russia, its war in Ukraine and the threat it poses to Europe and the United States.

Ukrainian President Zelensky said his officials are preparing to present their peace plan to the U.S. today. Follow Newsweek's live coverage.

KYIV, Ukraine -- KYIV, Ukraine (AP) — President Donald Trump on Sunday claimed Ukrainian President Volodymyr Zelenskyy “hasn’t read” a U.S-authored peace proposal aimed at ending the Russia-Ukraine war.

US President Donald Trump's plan for peace in Ukraine includes proposals to restore Russian energy flows to Europe, major US investment in Russian rare earths and energy, and tapping frozen Russian sovereign assets,

Ukraine's Zelensky said he cannot cede land to Russia as he has no legal or moral right to do so. Follow Newsweek's live coverage.

Known as the Donbas, the region has become the fulcrum of fraught US-led diplomacy to end Russia’s full-scale invasion

Ukraine delivered its response to the latest US-drafted peace proposal aimed at ending the war with Russia to the Trump administration on Wednesday, US and Ukrainian officials told CNN, as the contours of a tenuous potential deal take shape and the US president continues to make clear he wants the conflict resolved quickly.

Trump to provide $11 billion in tariff relief for farmers. Trump's U.S. attorney pick for New Jersey resigned. The latest: Alina Habba said today that she will resign as acting U.S. attorney for New Jersey following a court’s decision that she was unlawfully in the role.

Donald Trump Jr. recently tried to explain his father’s foreign doctrine as a kind of brilliant unpredictability. “What’s good about my father, and what’s unique about my father, is you don’t know what he’s going to do,” he said. “The fact that he’s not predictable … forces everyone to actually deal in an intellectually honest capacity.”

Following President Donald Trump’s claim that Ukraine is “losing” the war against Russia’s ongoing invasion and that Russia now has the “upper hand”, multiple officials told CNN there are no new US or European assessments suggesting there have been significant changes on the battlefield and they don’t see any indications Moscow is likely to win the conflict quickly.

Undoubtedly, Russia insists for us to give up territories. We, clearly, don’t want to give up anything. That’s what we are fighting for,” Zelenskyy said in a WhatsApp chat late Monday in which he answered reporters’ questions.