Senate approves war powers resolution limiting Trump's authority over Iran

The Senate approved a war powers resolution requiring President Trump to halt military operations against Iran absent explicit congressional authorization, with four Republican senators voting alongside Democrats in support.

The measure represents the first successful invocation of the War Powers Resolution since its enactment in 1973, according to reporting on the vote. The resolution directs Trump to remove armed forces engaged in military operations related to Iran within 30 days unless Congress declares war or authorizes the military action.

Four Republican senators crossed party lines to support the resolution: their votes proved decisive in reaching the 50-vote threshold required for passage.

Supporters of the measure argued that military decisions affecting U.S. personnel warrant congressional approval rather than unilateral executive action. Opponents contended that the resolution constrains the president's constitutional authority to respond to threats.

The vote carries symbolic weight alongside legal implications. While the resolution does not automatically force military withdrawal, it establishes congressional opposition to current Iran-related military operations and invokes statutory requirements designed to reassert legislative authority over matters of war and peace.

The resolution now moves to the House, where it would face a separate vote. Democratic majorities in both chambers supported the measure, while Republican support split along individual lines rather than party unity.