Wall Street Journal | 'Niger Delta Avengers' Sabotage Oil Output Wall Street Journal The damage has helped tip Africa's biggest economy toward recession, and has cost Nigeria its position as the continent's top oil producer—a distinction inherited by Angola. The Avengers struck again before dawn on Friday. A group of militants sneaked ... Nigerian Government Reveals Clean up Plan to Address Oil Spill How Corruption And Oil Crime Are Tearing Nigeria Apart Nigerian militants say aim is zero oil output after three new attacks |