In an exclusive interview with NBC News on Aug. 24, U.S. Vice President JD Vance expressed optimism about diplomatic efforts to end the war in Ukraine and claimed that Russia has made "significant concessions" during peace talks.

Vice President JD Vance said Russia has made "significant concessions" in talks to end its war with Ukraine but didn't rule out imposing more sanctions on the Kremlin.

Demonstrations are held in Ukraine and across Europe as the country marks its 34th year of independence, and the fourth year since Russia's invasion began.