Revolutionary Guards: The fourth oil tanker exploded in the unauthorized southern lane of the Strait of Hormuz Navy Public Relations The Revolutionary Guards announced that a supertanker carrying more than 2 million barrels of crude oil hit a mine and suffered a serious explosion this evening after ignoring radio warnings and trying to cross the unauthorized southern lane of the Strait of Hormuz. According to the Revolutionary Guards, this oil tanker is now burning and it is the fourth oil tanker to catch fire in the Strait of Hormuz since the early hours of today.