Aug 24 (Reuters) - U.S. Vice President JD Vance said Russia has made "significant concessions" towards a negotiated settlement in its war with Ukraine and was confident progress was being made despite the lack of clear advances towards ending the conflict.

Russia's invasion of Ukraine, launched in February 2022, started a conflict that has killed tens of thousands of people. In return for ending Russia's attacks, Putin is demanding that Ukraine give up all of the eastern Donbas region,