Democrats have vowed to keep forcing votes on the issue as they seek public testimony from administration officials.

The measure, which would have blocked President Trump from continuing military force against Iran, fell short of the simple majority needed to advance.

U.S. lawmakers will try again next week to pass a resolution to halt the Iran war and force President Donald Trump to obtain Congress' approval for

The military campaign has killed Supreme Leader Ayatollah Ali Khamenei, sunk at least 10 Iranian warships and struck more than 1,000 targets.

The blockade on ships “entering or departing Iranian ports and coastal areas” will begin on Monday, U.S. Central Command said. But U.S. forces will not impede vessels transiting the Strait of Hormuz,

The blockade could derail a tenuous ceasefire after just five days. Vice President JD Vance said the U.S. remains open to diplomacy if Iran takes “our final and best offer.”

The United States and Iran began negotiations Saturday in Pakistan, days after a fragile, two-week ceasefire was announced, as the war that has killed thousands of people and shaken global markets entered its seventh week.

Tehran insists a Lebanon truce and unfreezing of its assets must be granted before negotiations can start