The US Senate has dealt a setback to Trump by voting in favor of ending the war against Iran. This move is seen as a clear warning and a significant rebuke from Congress. The vote marks a major blow to Trump's stance on the conflict.

It is the most significant opposition from Congress since the start of the war against Iran. Further details on the vote and its implications are available from El País. The source provides more information on the Senate's decision and its potential impact on US policy regarding Iran.