The reopening of Libyan oil fields and ports this month has been a key factor behind a steady fall in international oil prices recently, with U.S. prices falling to a four-month low on Thursday. But markets may be overlooking resurgent risks to the North African country’s oil supply. Over the past week fighting for control of the airport in Tripoli, Libya’s capital, has set ablaze part of a storage facility holding 90 million liters (almost 24 million gallons) of oil during the worst violence in the country since the 2011 civil war that led to the downfall of former leader Moammar Gadhafi. The oil tank blazes and fighting in Tripoli and the eastern city of Benghazi have led to “serious doubts” about […]