Get latest articles and stories on World at LatestLY. Iranian President Ebrahim Raisi, a hard-line protege of the country's supreme leader who helped oversee the mass executions of thousands in 1988 and later led the country as it enriched uranium near weapons-grade levels, launched a major attack on Israel and experienced mass protests, has died. He was 63. World News | Iranian President Ebrahim Raisi, Supreme Leader's Protege, Dies at 63 in Helicopter Crash.