Russian president Vladimir Putin's close adviser Kirill Dmitriev is expected to visit Washington this week for talks on Ukraine with President Trump's envoy Steve Witkoff, two U.S. official tell Axios.

The ongoing saga of the U.S.-Ukraine natural resources deal has already caused seismic ruptures between Kyiv and Washington, temporarily costing Ukraine American military support and crucial intelligence sharing.

Ukraine will work with the United States towards a mutually acceptable text of a minerals deal that the two countries can sign, Ukrainian Foreign Minister Andrii Sybiha said on Tuesday. Sybiha told a press conference that one round of consultations had already taken place on a new draft of the minerals deal and that an agreement providing for a strong American business presence in Ukraine would contribute to his country's security infrastructure.