Iran closed the Strait of Hormuz again Wednesday in response to Israeli attacks against the Hezbollah terrorist group in Lebanon, casting doubt over whether an already precarious ceasefire to end more than a month of war will hold. The United States and Iran both claimed victory after reaching the agreement, and world leaders expressed relief, even as more drones and missiles hit Iran and Gulf Arab countries. Israel also intensified its attacks in Lebanon, hitting several commercial and residential areas in Beirut without warning. At least 112 people were killed and hundreds were wounded in one of the deadliest days...