New Delhi, Aug. 18 -- During his summit with President Donald Trump, Russian President Vladimir Putin accepted the proposal that the US and its European allies could extend Ukraine a security guarantee similar to NATO's collective defense mandate as part of a potential peace settlement.

Trump's envoy Steve Witkoff, who attended Friday's talks at a military base in Alaska, said "was the first time we had ever heard the Russians agree to that" and called it "game-changing."

Witkoff told CNN on Sunday, "We were able to win the following concession: That the United States could offer Article 5-like protection, which is one of the real reasons why Ukraine wants to be in NATO,"

Witkoff did not elaborate on how the security framework might fu...