US Republicans back Trump on Iran strikes, block bid to rein in war powers

A view of the U.S. Capitol building at night in Washington, D.C., U.S., March 2, 2026. REUTERS/Kylie Cooper

WASHINGTON, March ⁠4 (Reuters) - U.S. Senate Republicans backed President Donald Trump's ⁠military campaign against Iran on Wednesday, voting to block ‌a bipartisan resolution aiming to stop the air war and require that any hostilities against Iran be authorized by Congress.

As voting continued, the ​tally in the 100-member Senate was ⁠52 to 47 not to ⁠advance the resolution, largely along party lines, with almost every ⁠Republican ‌voting against the procedural motion and almost every Democrat supporting it.