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.

In announcing a new weapons package for Ukraine and a ceasefire deadline for Putin, President Trump reversed his previous stance towards Russia’s invasion. But will the weapons have the intended effect for Ukraine,

Trump's moves underline his growing disenchantment with Russian President Vladimir Putin over the lack of progress in U.S.-led efforts to secure a ceasefire.

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.

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

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.