Prospect of the Islamic Republic pumping an additional 500,000 barrels a day sends stock markets in Dubai and Saudi Arabia into tailspin
Stock markets across the Middle East saw more than £27bn wiped off their value as the lifting of economic sanctions against Iran threatened to unleash a fresh wave of oil onto global markets that are already drowning in excess supply.
All seven stock markets in the Gulf states tumbled as panic gripped traders. London shares are now braced for a second wave of crisis to hit when they open on Monday morning after contagion from China sent the FTSE 100 to its worst start in history last week.