Details are still sketchy, but report says the incident occurred in the early hours of Friday, May 20, around Salvation city, Ogbe-Ijoh in Warri South West local government area of the state.

It is believed that the newly formed group, Niger Delta Avengers (NDA) is behind the attack as it had claimed responsibility for on oil facilities in the region.

The militants, who are demanding a greater share of oil profits among others, have vowed to wreck more havoc on all installations in the region.

READ: Militants launch fresh attacks on newly repaired NNPC pipeline

According to the Minister of State for Petroleum, Dr. Ibe Kachikwu, Nigeria's oil production has fallen by almost 40 percent due to militant attacks on facilities in the Niger Delta.