Tehran said it will reserve all options to defend itself.This US move has stoked speculation that Iran’s leadership may reach for another way to pressure its enemies to relent — blocking or effectively closing the Strait of Hormuz to shipping.

Iran has never blocked the Strait, amid any war or conflict. What could finally push it to this? What makes blocking the Strait of Hormuz such a potent threat? We explain the full picture, in 4 points

As the U.S. began striking Iran’s nuclear facilities, tanker owners and the oil market are on edge to see if Iran follows through with threats to disrupt shipping at the