Sayyed Hassan Nasrallah was killed in the IDF's strike on Hezbollah's headquarters in Beirut on Friday, the IDF announced Saturday morning. The IDF also killed Ali Karaki, Hezbollah's commander of the southern front, as well as other Hezbollah commanders. Israel's air force struck Hezbollah's central headquarters using precise intelligence from the intelligence wing and defense system. The headquarters were based underground, under a residential building in the Lebanese capital. This is a developing story.