President Donald Trump vowed "certain death" to the Iranian regime as the U.S. launches a "massive" military operation.

President Donald Trump on Saturday said the administration believes reports stating that Iran’s supreme leader, Ayatollah Ali Khamenei, has died in the strikes against the country “is a correct story.

"Congress must use all available power to prevent him from further committing us to this conflict," the former vice president said.

What to know SUPREME LEADER DEAD: President Donald Trump announced on Truth Social that Iran’s supreme leader, Ayatollah Ali Khamenei, was killed today after the U.S. and Israel launched a predawn assault on the country.

The U.S. and Israel have launched strikes on Tehran, and President Donald Trump says the U.S. is starting major combat operations against Iran.

Among all Trump’s military actions, this one is the most contradictory. The president has explicitly pitted himself against regime change in the Middle East and argued for a focus that’s close to home.

Officers are up to speed with everything happening at Mar-a-Lago after President Donald Trump announced early Saturday the United States and Israel attacked Iran.