The US Senate advanced a war-powers resolution on Tuesday that would require President Donald Trump to obtain congressional authorization before engaging in further military action against Iran. The measure, a rare bipartisan rebuke of the Republican leader, comes 80 days after US and Israeli forces began strikes on Iranian targets.
The resolution, introduced by Senator Tim Kaine (D-VA), invokes the War Powers Act of 1973. It would direct the president to cease hostilities unless Congress declares war or authorizes the use of military force. The vote was 52-48, with four Republicans joining Democrats in support.
Proponents argue the strikes, which began on March 1, 2026, lacked proper congressional approval. Critics say the resolution undermines the president's authority to protect national security. The measure now moves to the House, where its fate is uncertain.
