May 21, 2026 4:45 PM EDT

Secretary of State Marco Rubio said Thursday that the Trump administration is keen to find a diplomatic solution to its differences with the Cuban government, but is not particularly optimistic that one can be achieved.

Watch Rubio's full remarks to reporters in the video player above.

His comments leave open the option of military action against Cuba, particularly after the indictment this week of former President Raúl Castro on terrorism charges.

WATCH: Blanche says he expects Raúl Castro to face charges in U.S. of his own will 'or another way'