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

The US-led NATO alliance must prepare for the possibility that Russia and China could launch wars in Europe and the Pacific simultaneously, with 2027 being a potential flashpoint year, a top military officer said.

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,