The Jamestown Foundation's Terrorism Monitor, 25 Jul 08:

The Global Repercussions of Nigeria’s Niger Delta Insurgency
The “oilfield” wars in Nigeria’s Delta region have been in the international spotlight from the emergence of the Ken Saro-Wiwa-led Movement for the Survival of the Ogoni People (MOSOP) in 1990 to the current insurgency led by the Movement for the Emancipation of the Niger Delta (MEND). This latter group is known for its tactic of hostage-taking and its frequent clashes with the Nigerian military. The activities of MEND have greatly influenced peak global oil prices with consequences for production capacities and consumption.....