A new wave of security threats in Nigeria poses a major challenge to Africa’s largest oil producer and a key supplier of light sweet crude grades to Europe, industry officials and analysts have warned. Not registered? Receive daily email alerts, subscriber notes & personalize your experience. Register Now Concerns have been raised after a growing wave of kidnappings and attacks on workers in the country’s oil industry this year. On Aug. 16, gunmen attacked a convoy of workers involved in Shell’s Assa North gas development project in Imo state, causing fatalities. Shell shut down the gas plant and other facilities in the vicinity following the incident. “While the impact of the security challenges is not directly felt now in terms of oil production, but […]