U.S. Senate approves measure to curb Trump Iran war powers

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Senate curbs Trump Iran war powers

Highlights

The U.S. Senate votes 50-48 to approve a war powers resolution requiring Trump to end or seek authorization for the Iran war.
Four Republican senators join most Democrats to pass the largely symbolic measure, with the House approving a similar resolution earlier this month.
The vote coincides with a fragile U.S.–Iran ceasefire following a new interim deal, while political divisions intensify over further concessions and military authority.

Congressional push to limit military action

Financial Times reports that the Republican-controlled Senate votes 50-48 on Tuesday to approve a war powers resolution directing Trump to end the Iran war or obtain congressional authorisation to continue it.

The measure is largely symbolic, and lawmakers remain divided over whether it is legally binding. Still, it marks the first time since the conflict begins that the upper chamber passes such a resolution, after the House of Representatives approved a similar measure earlier this month.

A bipartisan group backs the effort to prevent further military action against Iran. Four Republican senators, Rand Paul, Bill Cassidy, Susan Collins and Lisa Murkowski, vote with all but one Democratic senator in favour, while Democrat John Fetterman votes against it and Republicans Mitch McConnell and Dave McCormick miss the vote.

Ceasefire tensions and political fallout

Senators act as Washington and Tehran try to stabilise a shaky truce that U.S. and Iranian negotiators put in place after months of conflict. Last week, both sides electronically sign an interim deal extending a months-long ceasefire and offering concessions to Iran, prompting criticism from many members of Trump's Republican Party.

U.S. Vice-President JD Vance says at the weekend that a successful foundation has been laid in the first round of high-level talks aimed at turning the tentative arrangement to reopen the Strait of Hormuz into a permanent settlement.

Tim Kaine, the Democratic senator from Virginia who has pushed for months to limit Trump's military powers, says the Senate vote is critical even with the ceasefire holding. He says lawmakers should decide what the next phase should be, rather than leaving that decision to one person.

Our earlier article on Congress’s scrutiny of a potential Trump administration Iran deal explained how Republican senators were pressing for a clearer role for lawmakers as negotiations moved toward a broader agreement. We noted their concerns about possible sanctions relief, access to frozen Iranian assets, and enforceable limits on Iran’s nuclear program, alongside preparations for a Senate war powers vote aimed at blocking further U.S. military action.

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