Iran’s embattled leaders have found themselves in an existential struggle domestically to protect nearly a half-century of rule.

Iran's supreme leader on Wednesday rejected U.S. calls for surrender in the face of more Israeli strikes and warned that any military involvement by the Americans would cause "irreparable damage to them.

As Israel attacks new sites linked to Iran's nuclear program, Tehran warns against the U.S. wading directly into an increasingly deadly war, and Trump considers doing just that.