Former Russian President Medvedev calls for preemptive strikes while Trump gives Putin a 50-day ultimatum to reach peace with Ukraine or face sanctions.

President Trump announced a new arms deal for Ukraine this week, which includes sought after Patriot missiles.

President Trump said Monday he had brokered a deal to send more weapons to Ukraine without burdening the U.S., while threatening Russian President Vladimir Putin with new sanctions if there is no

NATO pledges its support for Ukraine, but gives it no timeline for membership President Biden said NATO countries will help Ukraine defend itself against Russia now and into the future, ...

President Donald Trump made an announcement Monday aligning him more firmly with Ukraine’s defense against Russia’s invasion than ever before.

NATO's support for Ukraine is making a difference on the battlefield, said NATO Secretary-General Jens Stoltenberg on Thursday, as Ukraine embarks on its counteroffensive against Russia.

President Biden vowed NATO's lasting support for Ukraine, as he kicked off a summit marking the 75th anniversary of the alliance on July 9. (Video: The Washington Post)

NATO Secretary-General Jens Stoltenberg, who is in Washington this week, joins Nick Schifrin from the Pentagon to discuss the war in Ukraine and western support for the beleaguered country.

Ukraine is not a NATO member, but it has been a "partner country" since 2008 – the year it applied for a Membership Action Plan. That means that it may be allowed to join the alliance in the future.

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,