Russia awaits details from Washington on proposed cease-fire in Ukraine as Putin visits front in fatigues; U.S. Secretary of State Marco Rubio hopes for a deal within days. Russian forces claim military gains in Kursk region, while Ukraine's top army commander says fighting continues. The U.S. agrees to resume weapons supplies and intelligence sharing after Kyiv expresses support for a cease-fire proposal. Russia says it will make its own decisions and that it is unlikely Putin will agree to a 30-day cease-fire.