The House of Representatives voted in favor of a war powers resolution on June 4 and the Senate advanced a separate, but similar, resolution in a procedural vote on May 19 as a handful of Republicans broke with party leadership to vote with almost every Democrat.
The Congress has backed resolutions that could block President Trump from continuing hostilities.
Explainer: Congress Has Backed Iran War Powers Resolutions. What Next?
Jun 9, 2026 | 8:04 PM
