We will get them Patriots, which they desperately need.” With these words, President Donald Trump signaled not just a reversal in his administration’s Ukraine policy, but a pivotal moment for the future of transatlantic security and the architecture of modern warfare.

Donald Trump gave Russia an ultimatum. He demanded Vladimir Putin end the Ukraine war in 50 days. Or else, Russia will face sanctions and weapons for

Trump's shift from betraying Ukraine to turning on Putin reveals a lot about the man and his Presidency, argues George Llewelyn

Donald Trump privately urged Ukraine to strike targets deep inside Russia, including Moscow, if supplied with advanced US weapons, signalling a pivotal policy shift in the war and raising stakes for Nato and Kremlin escalation.

While the US president's shift in tone on both Ukraine and Russia is huge, we need to remember that he can let deadlines slip and flip-flop repeatedly, writes Sky's Mark Stone.

President Donald Trump's push for European NATO members to purchase U.S.-made weapons for Ukraine marks a shift from the more direct military support for Kyiv of his predecessor, Joe Biden. But unlike Biden,

One of Vladimir Putin's mouthpieces has warned Donald Trump that he is pushing Russia towards nuclear war. After pledging to deliver more weapons to Ukraine - including the prized Patriot air defence systems - the US president rattled the Kremlin further and threatened to unleash additional sanctions if Putin refuses to negotiate a ceasefire deal in 50 days.