There was no independent confirmation.
Militants who say they are fighting for a fairer share of the wealth generated in the Niger Delta, home to Africa's biggest oil and gas industry, have bombed pipelines and oil platforms in recent years to push their demands.
But the line between militancy and criminality is blurred.
Networks of armed gangs have taken advantage of the breakdown in law and order to steal industrial quantities of crude oil -- known locally as "bunkering" -- part of an illegal international trade worth millions of dollars a day.
"The attack was aimed at creating a leeway for illegal oil bunkerers to operate," Abubakar said in a statement.
He said the raid was part of an effort by militants to "derail the peace process and push the military into an unwarranted confrontation".
It is the first recent skirmish of its kind in the western delta. Most of the instability in recent months has centred on Rivers state, to the east of Bayelsa.
"It's very unusual," said Lieutenant Colonel Chris Musa, spokesman for the military taskforce in Bayelsa, adding it showed the fragmented nature of the militant network.
"They have a lot of splinters. They do not have one central control and command," he added.
But the group has since declared a ceasefire and repeatedly accused the military of trying to provoke it into confrontation.
Attacks by MEND since early 2006 have cut Nigeria's oil output by around a fifth. The country is currently pumping just under 2 million barrels per day (bpd), well below its capacity of around 3 million bpd, largely because of the insecurity.
No group has claimed responsibility for Wednesday's attack.
Author: Jo Amey




