Nigeria is one of world 's richest oil states ; people are among poorest in world . Militant group MEND demands profits given to Nigerian people . MEND is holding two British oil workers captive . Comment:
Nigeria is one of world 's richest oil states ; people are among poorest in world . Militant group MEND demands profits given to Nigerian people . MEND is holding two British oil workers captive . MEND says more workers will be seized if Nigeria does not stop exporting oil wealth .