"Met with Secretary of the NSDC Oleksandr Turchynov to discuss reintegration bill and the need to protect the rights and well-being of Ukrainian citizens living in the Donbas + the need for peaceful resolution of the conflict," Volker wrote on Twitter on January 24.

The meeting was also attended by U.S. Ambassador to Ukraine Marie Yovanovitch.

Read alsoPoroshenko, Volker meet to discuss joint strategy to restore Ukraine's sovereigntyAs UNIAN reported earlier, on January 18, the Verkhovna Rada of Ukraine adopted the law "On the special aspects of the state policy on securing the state sovereignty of Ukraine in the temporarily occupied territories of Donetsk and Luhansk regions" (No. 7163). The document recognizes the temporary occupation of part of Ukraine by Russia.