LAGOS, Feb. 7 (Xinhua) -- A militant group operating in the oil rich Niger Delta region, Joint Revolutionary Council (JRC), said it has successfully disabled the trunk line operated by Shell Petroleum Development Company (SPDC) in the swamp of Obunoma in southeast Nigeria's Rivers State.

Bakabio Walter, the group spokesman, announced this in a statement reaching here on Sunday.

The trunk line connects Nembe Creek, Belema, Soku Field, Ekulama 1 and 2 flow stations to the Bonny Export Terminal in Bonny Island of Rivers state, the group said.

The JRC said it would mobilize all patriotic forces in the Niger Delta to wage a consistent revolutionary war until the last piece of its territory was liberated from the occupation forces.

The group, which resumed armed struggle, said the attack dealt a devastating blow on the occupation of Nigerian state in the crude oil and gas-rich region.

It described it as just the beginning in its battle that would lead to the establishment of a free and independent Niger Delta.

Precious Okolobo, a spokesman of the oil giant in Nigeria told Xinhua on Sunday that the company was yet to receive report of sabotage of any of its facilities.

In June 2009, the Nigerian government offered amnesty to gunmen in the oil rich Niger Delta region, urging them to lay down their weapons by Oct. 4, 2009 in a bid to end unrest, which has cost Africa's top oil exporter billions of dollars in lost revenue.

Scores of Nigerian armed youth gave up their weapons and embrace amnesty offered by the Nigerian government in the most concerted effort yet to end years of fighting in the oil-rich producing region.

The Niger Delta is an unstable area where inter-ethnic clashes are commonplace. Access to oil revenue is the trigger for the violence.

Over 300 foreigners have been seized in the Niger Delta since 2006. Almost all have been released unharmed after paying a ransom.