Oil prices have risen further despite a global deal to release a record 400 million barrels of reserves as Iran continued to strike key energy and shipping infrastructure.Brent crude rose by another 4% to nearly 96 US dollars a barrel in morning trading on Thursday, following similar gains on Wednesday, as prices failed to ease in spite of the International Energy Agency (IEA) move to boost worldwide oil reserves.

Oil prices have risen further despite a global deal to release a record 400 million barrels of reserves as Iran continued to strike key energy and shipping infrastructure.Brent crude rose by another 4% to nearly 96 US dollars a barrel in morning trading on Thursday, following similar gains on Wednesday, as prices failed to ease in spite of the International Energy Agency (IEA) move to boost worldwide oil reserves.