A 1,000-strong "dark fleet" of rogue tankers evading sanctions has become a new target for the U.S. and Ukraine, according to a senior maritime intelligence analyst.

Russia and Ukraine exchanged hundreds of drone attacks overnight.

The Ukrainian leader said Thursday that there was still no common understanding on the land issue and that Ukrainians should vote on any territorial concessions in a referendum.

As peace talks continue in Berlin, what - if anything - could potentially change Putin's mind? And could Europe do anything differently?

Ukrainian President Volodymyr Zelenskyy has said he is ready to give up on demands for Nato membership in exchange for security guarantees from the US and Europe, in a move aimed at advancing peace talks in Berlin on Sunday.

The European Union on Friday indefinitely froze Russia’s assets in Europe to ensure that Hungary and Slovakia, both with Moscow-friendly governments, can’t prevent the billions of euros from being used to support Ukraine.

Russia's central bank says it is suing Belgium's Euroclear in court following an EU bid to use Russian assets to aid Ukraine.

The Atlantic's Anne Applebaum, appearing on "Washington Week," discussed Ukraine’s corruption scandal and its impact on President Volodymyr Zelensky and the country's war effort against Russia. JEFFREY GOLDBERG,