US Senate approves war powers resolution challenging Trump’s Iran war authority

The US Senate approved a war powers resolution on June 22, 2026, aiming to prevent Donald Trump from continuing military action against Iran. The resolution passed with a 50-48 vote, marking a significant, though symbolic, rebuke of the president regarding a conflict that has faced public disapproval. Four Republican senators—Susan Collins of Maine, Lisa Murkowski of Alaska, Bill Cassidy of Louisiana, and Rand Paul of Kentucky—voted in favor, breaking party lines. John Fetterman of Pennsylvania was the only Democrat to vote against the measure. This vote challenges the president's authority to engage in military conflicts without explicit congressional authorization, a power often debated under the War Powers Resolution of 1973.