President Trump said he is disappointed with Russian President Vladimir Putin over his continued strikes on Ukraine. Mr. Trump threatened secondary tariffs against Russia on Monday if a ceasefire isn't reached within 50 days,

This week marked a possible pivot by President Donald Trump regarding Russia's ongoing full-scale invasion of Ukraine.

President Donald Trump’s ultimatum to Russia to accept a peace deal in Ukraine within 50 days or face bruising sanctions has given the Kremlin extra time to pursue its summer offensive.

As President Donald Trump hardens his position toward Moscow and seeks new ways to bring the conflict to an end, he is leaving open the prospect of allowing shipments of longer-range missiles to the country that would allow it to strike deeper into Russia,

Republicans who previously have sounded off about U.S. aid to Ukraine sounded cautiously optimistic about the new plan to offer U.S. weapons to the war effort through a purchase by other NATO countries.

President Donald Trump is downplaying the possibility of sending Ukraine long-range weapons as Kyiv awaits an injection of U.S. weaponry that it hopes will help it beat back an intensifying Russian air offensive.

The president’s call for Ukraine to avoid hitting Moscow continued his pattern of swinging between pressure on both sides to end the war and underscored the uncertainties about his strategy.

Ukraine will get its first new prime minister of the war on Thursday, as President Volodymyr Zelenskiy tries to wrestle wartime defence spending into shape and win over both Donald Trump and a war-weary public with fresh-faced leadership.

President Donald Trump announced this week that the U.S. will send Patriot air-defense missiles to Ukraine and threatened new tariffs on Russia. Will Vladimir Putin back down? What should Trump's next move be? And what does the future hold for Ukraine? Newsweek contributors Daniel R. DePetris and Dan Perry debate: