Earlier, GOP Sen. Bill Cassidy clashed with Trump over an earlier measure.June 24, 2026, 11:55 PMHours after President Donald Trump blasted Sen. Bill Cassidy for supporting a war powers resolution that narrowly passed the Senate on Tuesday, Cassidy helped to deliver Trump a victory by voting with the majority of Republicans late Wednesday to block a separate resolution aimed at reining in the president's war powers in Iran from advancing.It was a remarkable departure for Cassidy who, just hours ago, was in a shouting match with the president during a lunch between Trump and the GOP conference.Cassidy said he later received a briefing from Vice President JD Vance and Special Envoy Steve Witkoff on Iran.Sen. Bill Cassidy speaks to reporters following a Senate Republican Steering Committee lunch with President Donald Trump at the U.S. Capitol in Washington, June 24, 2026.Elizabeth Frantz/ReutersThis is a developing story. Please check back for updates.