x     Iran’s Revolutionary Guards said on Monday the Strait of Hormuz is now “closed” and threatened to attack any vessel attempting to transit, in the most explicit warning yet against the Gulf’s main maritime chokepoint. A Guards commander said they would set any ship “ablaze” if it tried to pass, according to remarks carried by Reuters. The Strait of Hormuz links the Gulf to the Arabian Sea and is critical for global energy exports. The threat came amid mounting disruption to shipping,