President Donald Trump criticized four Senate Republicans who joined Democrats to pass a resolution limiting his military authority regarding Iran.

The measure represents a significant legislative effort to curb the president's war-making powers and force an end to U.S. military involvement in Iran. This shift in authority creates a direct confrontation between the executive branch and a bipartisan coalition in the Senate.

The Senate passed the war-powers resolution on Tuesday, June 3, 2026 [3], with a final vote count of 50-47 [1]. The resolution advanced due to four Republican senators who broke ranks to vote with the Democratic caucus [2].

Trump responded to the vote by criticizing the Republican allies who sided with the opposition. The president's reaction follows the Senate's decision to strip certain war powers that would have allowed for more unilateral military action against Iranian interests.

The resolution was designed to ensure that the president cannot engage in prolonged military conflicts without explicit congressional approval. By limiting these powers, the Senate seeks to reassert its constitutional role in deciding when the U.S. enters into hostilities.

While some reports mentioned a separate vote in the House, the primary legislative movement occurred in the Senate where the 50-47 tally was recorded [1]. The four Republicans who crossed party lines provided the necessary margin for the resolution to succeed [2].

Trump said the actions of these senators were a betrayal of his administration's foreign policy goals. The tension highlights a growing divide within the GOP regarding the extent of executive power in overseas conflicts.

“The Senate passed the war-powers resolution on Tuesday, June 3, 2026.”

This vote signals a rare moment of bipartisan cooperation to restrict executive war powers, suggesting that a segment of the Republican party is unwilling to grant the presidency unchecked authority over military interventions. It establishes a legislative precedent that may limit future presidential actions in the Middle East.