Amid reports that a Ukrainian plane that crashed in Tehran Wednesday, killing everyone on board, may have been brought down by an Iranian missile, Ukraine’s president has thanked the top U.S. diplomat for sharing more information on the crash.

On Twitter Friday, Volodymyr Zelensky thanked U.S. Secretary of State Mike Pompeo after a phone call, saying: “Grateful for the condolences of the American people & valuable support of the U.S. in investigating the causes of the plane crash. Information obtained from the U.S. will assist in the investigation.”

In turn, Pompeo expressed condolences over the crash of Ukrainian International

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