Just as global energy supplies were beginning to stabilise after nearly four months of disruption, Iran has issued a fresh warning over the Strait of Hormuz. This time, however, the threat could extend far beyond the waterway.As tensions in the Middle East intensify again, Iran has warned that it could expand efforts to disrupt regional trade beyond the Strait of Hormuz, raising concerns over the movement of some of the region’s most important exports.Iran’s Islamic Revolutionary Guard Corps (IRGC) said it could close “all other export corridors that benefit the US and its allies”, according to Iranian media. The statement...