Deputy Spokesperson for the U.S. Department of State, Robert Palladino, said State Secretary Mike Pompeo had discussed with Romanian Foreign Minister Teodor Melescanu and Spain's top diplomat Josep Borrell during their meeting in Washington on Monday Russian aggression in the Black Sea.

The sides discussed cooperation with Romania, "a stalwart NATO Ally," recognizing that there are "challenges facing NATO on its eastern flank."

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"They specifically spoke about Russian aggression in the Black Sea and Romania’s role in contributing to the security and stability of the Black Sea region," reads the statement.

With Minister Borrell, Pompeo also discussed a number of regional and bilateral issues, including Russia’s aggression in the Black Sea.