The Niger Delta militancy has become cause for concern due to the rising number of groups in the volatile region.
The most prominent among the groups is the Niger Delta Avengers, which is currently negotiating with the government, but several more groups have emerged.
Five militant groups which are operating in the Niger Delta are:
Niger Delta Peoples Professional Volunteer Force (NDPPVF)
Niger Delta Greenland Justice Mandate (NDGJM)
Ultimate Warriors of Niger Delta (UWND)
Bakassi Strike Force (BSF)
Joint Niger Delta Liberation Force (JNDLF)