Nov. 25 (UPI) -- Ukrainian officials have agreed to most of a U.S.-backed peace deal to end the war with Russia, unnamed U.S. officials told multiple news outlets Tuesday.

The unnamed sources confirmed the details to NBC News, CBS News and ABC News.

"The Ukrainians have agreed to the peace deal," one official told ABC. "There are some minor details to be sorted out, but they have agreed to a peace deal."

Officials speaking to NBC News described the speed bumps in the negotiations were "delicate but not insurmountable."

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