The argument between President Trump and his Ukrainian counterpart caused serious damage to an alliance at the heart of the post-World War II order.

President Donald Trump on Sunday amended two executive orders to exempt imports valued at less than $800 from Canada and Mexico.

Germany's likely next Chancellor Friedrich Merz questioned on Sunday whether NATO would remain in its "current form" by June in light of the comments by U.S. President Donald Trump's administration, and that Europe must quickly establish an independent defence capability.

Moscow’s demand during Riyadh talks rejected but allies fear Donald Trump could yet allow restoration of former Soviet bloc

While meeting with British Prime Minister Keir Starmer, Trump said he backed a key provision of the NATO alliance that requires members to come to the defense of another if attacked.

The EU's top diplomat said Thursday that NATO offered the best security guarantee for Ukraine, accusing President Donald Trump of falling for a Russian narrative by closing the door.

Volodymyr Zelenskyy met with Britain’s King Charles Sunday as European leaders rallied in support of the Ukrainian president after his dustup with U.S. President Donald Trump and Vice President J.D.

Secretary of State Marco Rubio pushes back on allegations President Donald Trump is excluding Ukraine from peace talks with Russia, dismisses concerns about NATO alliance.

President Donald Trump says Ukraine “could forget about” joining the NATO military alliance as he prepares to host Ukrainian President Volodymyr Zelenskyy at the White House on Friday. Trump also said he hopes to soon speak face-to-face with Russian President Vladimir Putin in hopes of reaching an agreement to end the war in Ukraine that began when Moscow invaded in February 2022.

Germany's likely next Chancellor Friedrich Merz questioned on Sunday whether NATO would remain in its "current form" by June in light of comments by U.S. President Donald Trump's administration, and said Europe must quickly establish an independent defence capability.

Victoria Coates, former deputy national security adviser during the first Trump administration, wonders if NATO allies aren't falling short of U.S. expectations as President Trump seemingly embraces Russia.

Polish call centre worker Katarzyna Paprota, 48, says the dramatic shift in United States policy towards Russia and Ukraine under President Donald Trump gives her reason to fear for the future. "The foreign policy of the United States scares me a lot,