Iran closes Strait of Hormuz again over US blockade and fires on ships

The standoff over the Strait of Hormuz has escalated again as Iran reverses its reopening of the crucial waterway and fires on ships attempting to pass. Saturday's developments come after the United States said it would continue its blockade of Iranian ports. The strait's closure threatens to deepen the global energy crisis. Meanwhile, Pakistani mediators are working to organize new negotiations between the countries. Iran says it has received new proposals from the United States. But Iran's dep...