In a statement on the US Department of State website, the US government have reiterated their opposition to the proposed referendums in eastern Ukraine:
The U.S. calls on President Putin and the Russian government to implement its Geneva commitments. http://t.co/tX1R3WRibB
The statement read: "If these referenda go forward, they will violate international law and the territorial integrity of Ukraine. The United States will not recognize the results of these illegal referenda."