Newly established group has claimed its attacks have already halved oil production in the Niger Delta area.
New group vows to attack oil and gas facilities until government ends perceived marginalisation.
Oil giant posts a massive decline but believes cost-cutting strategy is paying off.
Oil giant to close offices in Reading, Aberdeen and Manchester amid launch of voluntary redundancy programme.
Despite the Doha Opec meeting failing to freeze output, there are reasons why oil prices can recover.
Taqa, BP and Shell operators are expected to lose out from the closures.
Petroleum minister Ibe Kachikwu says oil from refineries to be kept in "strategic reserves".
Oil giants will break up Motiva business after 18 years and divide assets to pursue other goals.
Only last year the oil giants had to pay £55m to compensate victims of the worst oil disaster in Nigeria's history
The Footsie fell 0.86% meaning that the index has lost 6.3% since the start of the year.
Edmund Shing explains why a rebound in oil prices would be great news for Shell investors.
The MPC surprised no one when it announced not to increase central interest rates.
Investors will be hoping for a potential future rebound in oil prices after their worldwide collapse.
Oil giant's annual and fourth-quarter earnings plummet as it confirms it will cut 10,000 jobs after BG merger
In 2015, BP's annual profit fell 51% year-on-year to $5.9bn, while Shell predicted similar results.
Sale follows green signal by majority of Shell shareholders for BG acquisition.
Royal Dutch Shell edges closer to complete merger after majority of shareholders vote in favour of takeover.
With WTI trading at $28 a barrel, commodity miners and traders weighed down stock markets.
US stocks followed Asian and European markets in the red soon after the open as oil prices extended losses.
Dutch oil giant says decline in oil prices could almost halve its fourth quarter profit.
Anglo–Dutch company says Gulf project no longer fits with its strategy.
West Texas Intermediate and Brent Crude, the two main oil benchmarks, are trading below $32.