The leftist government in Madrid said the war against Iran violated both international law and the agreement between Spain and the United States on the use of air bases.

US President Donald Trump threatened Tuesday to sever all trade with Spain after it refused to let US planes use its bases to attack Iran, while also lashing out at Britain for not cooperating more.-

EADaily, March 4th, 2026. More than twenty years ago, another White House administration dragged Spain into a war in the Middle East. This was stated by Spanish Prime Minister Pedro Sanchez.

Condemning the US-Israel attack on Iran as a violation of international law, Spain refuses to let the United States use its jointly operated military bases on Spanish territory to strike Iran.

Spain has refused outright to support the United States and Israel’s military operation against Iran. The move has been applauded

U.S. President Donald Trump's top national security ⁠advisers ⁠spent much of the day on Tuesday making the ⁠case to Congress for the U.S.-Israel war on Iran, describing a rapidly evolving operation and leaving open the possibility of sending in American ​troops,