He said this on a video posted on Twitter.

"Anyone familiar with international law can answer this question: Crimea is Ukraine," said Huntsman.

The ambassador also added that in order to improve Russian-American relations, the restoration of the territorial integrity of Ukraine is absolutely necessary.

Recall, as previously reported, "URA-Inform," Secretary of State Rex Tillerson told during a speech in Washington that the US will return to the issue on the Crimea, but so far in the priority of the situation in the Donbass. According to him, the issue concerning the Crimea will be discussed, but President Putin has made it clear that it will not be discussed at the negotiating table.