WASHINGTON (Sputnik) — The letter was published on the Facebook page of Ukraine's former Minister of Foreign Affairs Leonid Kozhara.
“This letter is a forgery and was obviously written by somebody with a tenuous grasp of the English language,” Marter stated on Monday. “We’ve referred the matter to the FBI and CIA [Central Intelligence Agency].”
The original file was allegedly received by the hacker group Anonymous.
According to the letter, Durbin assured Yatsenyuk that the US Senate still supported him and was concerned by Ukrainian President Petro Poroshenko's recent removal of some key political figures.
In the disputed letter, Durbin allegedly told Yatsenyuk on behalf of himself and other US Senators not to appoint certain individuals to certain positions in the Ukrainian government.