
The UK has disclosed details of a Russian submarine operation near critical undersea infrastructure, with British and allied forces tracking vessels in the High North and surrounding waters amid increased Russian naval activity.

Ukrainian President Volodymyr Zelensky and a U.S. delegation arrived in Berlin for talks on a possible ceasefire in Ukraine, meeting German Chancellor Friedrich Merz ahead of discussions involving European partners. Russian officials have expressed skepticism about the talks, which will continue on Monday.

Foreign policy advisers from the United States, Ukraine, Germany and other partners are set to resume talks on a possible peace framework for Ukraine in Berlin, according to government sources. US Special Envoy Steve Witkoff is expected to take part, with discussions following several earlier rounds of negotiations since November. The talks come as diplomatic efforts continue alongside ongoing fighting, with both Russia and Ukraine reporting casualties from drone and missile strikes.

German Chancellor Friedrich Merz said Ukraine’s response to the revised US peace plan addresses the issue of potential territorial concessions — a central obstacle in efforts to end Russia’s war. European leaders have invited the US to discuss the proposal this weekend, with further talks possible in Berlin, next week.