CNBC | Nigeria is 'huge risk' to oil market: Analyst CNBC With Nigeria's oil production reportedly hitting a more than 20-year low, one oil analyst tells CNBC why the country's oil dilemma should be at the top of investors' minds. "I think Nigeria really should be at the top of the agenda, because this is not ... Nigeria arrests 'Avengers' oil militants Nigerian army arrests suspected 'Niger Delta Avengers' accused of oil pipeline attacks RPT-'Avengers' threaten new insurgency in Nigeria's oil-producing Delta |