Iran produces roughly 3.5 million barrels of oil per day. The US has been for decades trying to make sure no country buys it, but the customers kept coming to the Islamic nation in the Gulf.

IndiGo CEO Pieter Elbers has resigned and Managing Director Rahul Bhatia has been appointed interim charge of management of the affairs of the company, the airline said in regulatory filing today.

IndiGo CEO Pieter Elbers resigned on Tuesday, three months after the airline faced massive operational disruptions.