President Donald Trump has declared a national emergency, signing off sweeping tariffs targeting any country that “sells or otherwise provides oil to Cuba”. It added that the move will help safeguard "US national security and foreign policy from the Cuban regime's malign actions and policies". It continued: "Cuba hosts Russia's largest overseas signals intelligence facility focused on stealing sensitive national security information from the United States. "These actions constitute an unusual and extraordinary threat to US national security and foreign policy, requiring immediate response to protect American citizens and interests." President Donald Trump has declared a national emergency |Mr Trump has increasingly focused on Cuba since US forces seized Mr Maduro - a close ally of Havana - on January 3, as Washington moves to reassert dominance in the Western Hemisphere.