Attackers have vacated an Agip oil pumping station in Bayelsa state in southern Nigeria and freed all hostages they were holding there after they were paid off by government, police said on Monday. A spokesperson for Agip declined to comment and there was no word on when operations at the Ogbainbiri flow station might resume. Agip’s parent, Italy’s Eni, said the attack last Tuesday had caused a “significant decrease” in output. Full Story