The European Union and Britain on Friday sought to ramp up economic pressure on Russia to halt the war in Ukraine by slashing a price cap meant to choke off revenues from key oil exports. The EU and Britain said they would lower the cap on Russian oil exported to third countries around the world to 15 percent below market value.

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,