The United States Senate has blocked a proposal that sought to require congressional approval before President Donald Trump could take military action against Cuba. On Tuesday, the Republican-led chamber voted 51–47 in a procedural move that prevented the Democratic-sponsored war powers measure from advancing. The vote was largely along party lines.

Democrats argued that Congress must play a decisive role in preventing unilateral military action by the president. Senator Tim Kaine, a key supporter of the proposal, said that actions such as restricting Cuba’s fuel supply could already be considered hostile acts. Republicans countered that there is currently no direct military conflict with Cuba, making the proposal unnecessary. Senator Rick Scott stated that since no troops have been deployed, a war powers vote is not required.

The debate emerged amid growing criticism that the Trump administration is intensifying economic pressure and energy blockades against Cuba.