Rustem Umierov, Secretary of Ukraine's National Security and Defence Council, has said he expects that Kyiv and Washington will have agreed on common positions by the end of the day, bringing peace closer.

Ukraine claimed it carried out an underwater drone strike on Dec. 15, the first such attack in maritime warfare, that critically damaged a Russian Kilo-class attack submarine at the Russian port of Novorossiysk,

The United States has offered to provide Nato-style security guarantees for Kyiv as US and European negotiators reported progress in talks on Monday to end Russia's war in Ukraine, but a deal on territorial concessions remained elusive.

US officials are headed to Berlin for a high-stakes sit-down Monday with Ukrainian President Volodymyr Zelensky and European leaders – as Washington presses for an elusive peace deal to end the