Spain's Prime Minister Pedro Sanchez delivers an institutional statement to address the latest international developments on TV. March 4, 2026. JON NAZCA / REUTERS

The European Commission said Wednesday, March 4 it was "ready" to defend EU interests after President Donald Trump threatened to sever trade with Spain for refusing to allow US use of its bases to attack Iran.

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"We stand in full solidarity with all member states and all its citizens and, through our common trade policy, stand ready to act if necessary to safeguard EU interests," said commission spokesman Olof Gill in a statement issued in response to Trump's threats.