Ukraine said Thursday that it had signed the basis of a minerals deal with the U.S., although the details of the agreement are yet to be announced.

The Kremlin said on Tuesday that there is not yet a clear outline of a potential U.S.-Russia deal on Ukraine, but that the political will to move in the direction of an agreement is there.

Ukraine said Thursday that it had signed the basis of a minerals deal with the U.S., although the details of the agreement are yet to be announced.