'Not a Big Fan' - Top Senate Republican Breaks with Trump on $1.8bn 'Anti-Weaponisation' Fund

4 Republicans Side With Democrats, Stand Up Against Trump's Iran War

At present, the Republicans have narrow leads in both chambers; they lead 217-212 in the House and 53-45 in the Senate. Two independent senators usually back the Democrats.

US Senate advances measure to limit Trump's Iran war powers

Louisiana Senator Bill Cassidy joined three other Republican lawmakers in supporting the measure. Though symbolic and unlikely to become law, advancing the resolution is a sign of growing frustration with the war.

US Senate advances resolution to end war with Iran

Alongside most Democrats, Republicans Rand Paul, Lisa Murkowski, Susan Collins, and Bill Cassidy also voted in favor

Senate Votes to Take Up Measure to Force Trump to End Iran War

With four Republican backers, Democrats won a vote to advance a resolution that would force the president to end hostilities or win authorization from Congress.

Senate advances bill aimed at ending Iran war as Cassidy, after primary loss, flips to support it

WASHINGTON (AP) — The Senate advanced legislation Tuesday that seeks to force President Donald Trump to withdraw from the Iran war, as a growing number of Republicans defied the president's wishes.

Senate advances resolution to limit Trump's Iran war powers for first time, after 4 Republicans defect

Four Republicans voted with nearly all Democrats to advance the Iran war powers measure, with GOP Sen. Bill Cassidy joining the Republican defectors for the first time.