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The Guardian - US
The Guardian - US
World
Lauren Gambino and staff

Senate Republicans again block effort to halt Trump’s war in Iran

men looking at debris next to a flag
People clear rubble in a house in the Beryanak district 15 March 2026 after it was damaged by missile attacks in Tehran, Iran. Photograph: Majid Saeedi/Getty Images

The Republican-led Senate on Thursday again blocked a Democratic attempt to stop Donald Trump’s war in Iran, rejecting a war powers resolution that would have limited the conflict until Congress authorizes further military action.

The vote was 47-50, with two Republicans – Susan Collins, a senator of Maine, and Rand Paul, of Kentucky – voting in favor and one Democrat – John Fetterman, of Pennsylvania – opposing it.

It was the sixth time this year that Democrats have forced a vote on a war powers resolution related to the US’s assault on Iran. All have failed, mostly along party lines.

Adam Schiff, the resolution’s author and a senator, said Thursday’s vote was critical. Friday marks 60 days since the Trump administration notified Congress that it was carrying out strikes on Iran.

Under the War Powers Resolution of 1973, the president must terminate its military campaign at the end of the 60-day window, unless Congress has declared war or authorized the use of military force. Pete Hegseth, the defense secretary, testifying earlier on Capitol Hill, said the 60-day clock was paused due to the current ceasefire with Iran, though Democrats and critics have raised concerns with that interpretation.

Earlier this month, the House had also narrowly rejected another war powers resolution meant to curb military action in Iran. The resolution introduced by Greg Meeks, the top Democrat on the House foreign affairs committee, failed by a vote of 213-214, with one Republican member voting present. It required at least two more votes to pass, as tied votes fail in the House.

In a sign that Democrats had solidified in opposition to the war, three congressmen who had voted against a previous resolution in March – Henry Cuellar, of Texas, Greg Landsman, of Ohio, and Juan Vargas, of California – voted in favor of this attempt. Jared Golden, of Maine, was the sole Democrat to vote in opposition, and Thomas Massie, of Kentucky the only Republican to vote for passage. Ohio’s Warren Davidson voted present, after voting in favor last month.

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