President Vladimir Putin has previously sent Kostyukov to participate in talks on Ukraine. He was a member of a Russian delegation that met with Ukrainian counterparts in May 2025 in Istanbul, the first face-to-face talks between the warring sides in three years.

Moscow and Kyiv remain at odds over the key issue of territory in a postwar settlement. Read more at straitstimes.com. Read more at straitstimes.com.

With Greenland in the rearview mirror for now, Ukraine and its allies hope for progress and renewed focus on Kyiv.

Russia warned after a late-night meeting between President Vladimir Putin and three U.S. envoys that a durable peace would not be possible unless territorial issues were resolved.

Ukraine’s ambassador to the U.S. Olga Stefanishyna discusses President Donald Trump’s meeting with President Volodymyr Zelensky and ongoing negotiations to end the Ukraine-Russia war on ‘Special Report.