Iran’s Revolutionary Guards say one of three oil tankers caught fire after explosion south of Strait of HormuzSay two other tankers turned back after incident south of Strait of HormuzSay no tanker will enter or leave Strait of Hormuz without coordination with IranEarlier:Oil: Houthis ferocious strikes on two Saudi oil tankersUS surges forces to Middle East This article was written by Eamonn Sheridan at investinglive.com.