The U.S. is going to uphold the sanctions imposed on Russia, and will only ease them when the country honors the commitments made to help restore peace over the conflict in Ukraine.

"The United States sanctions will remain until Moscow reverses the actions that triggered our sanctions," Secretary of State Rex Tillerson said Friday, the Associated Press reports.

Tillerson believes Moscow should use its influence over separatists to stop the attacks on peace monitors and other violence.

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The sanctions "must remain in place until Russia returns control of the peninsula to Ukraine," Tillerson said, AP added.

"Even in the face of Russia's aggression, Ukraine has accomplished a great deal domestically. We applaud recent reform successes, including anti-corruption efforts and pursuing necessary reforms to meet IMF conditionality," Tillerson continued, CBS reports. 

This story was updated from its original publish time of 11:42 a.m.