General Christopher Donahue, commander of U.S. Army Europe and Africa, said allies could seize Kaliningrad "in a timeframe that is unheard of."

The European Union approved a new series of sanctions against Russia on Friday in response to its ongoing war in Ukraine. The measures include a lower oil price cap, a ban on transactions involving the Nord Stream gas pipelines,

Former Russian President Dmitry Medvedev warned that Russia could launch preemptive military strikes if the West escalates the war in Ukraine. While insisting Moscow has no intention of attacking NATO or Europe,

Trump on Monday said the United States would ship "billions of dollars' worth" of military equipment to NATO members, paid for by the alliance, to be handed over to Ukrainian forces battling grinding Russian advances. Trump had earlier this month suggested NATO would "100 percent" pay for U.S. weapons, which would be sent to Ukraine.

The US is moving to get weapons to Ukraine under Trump's plan for Europe to buy arms and is weighing selling Patriot air defense systems from its own stocks.

President Donald Trump has unveiled a new strategy to support Ukraine by encouraging NATO allies to donate military equipment, particularly Patriot missile systems, in exchange for U.S. replacements.