New Delhi, Aug. 25 -- US Vice President JD Vance said Russia has made "significant concessions" in talks to end its war with Ukraine. He, however, didn't rule out imposing more sanctions to pressure the Kremlin toward peace.

Speaking on NBC's "Meet the Press with Kristen Welker", Vance said the Russians have been "flexible" on some of its demands. "I think the Russians have made significant concessions to President Trump for the first time in three and a half years of this conflict," he said in comments aired on Sunday.

The US Vice President said Russian President Vladimir Putin made several concessions, including that Ukraine will receive security guarantees protecting against future Russian aggression.

"They've recognised that they'r...