PORT HARCOURT, Nigeria, April 27, SPA -- Police say unknownassailants attacked a police station in Nigeria's restivesouthern oil region. Five officers are dead. Rivers State police spokeswoman Ireju Barasua says thegunmen who stormed the station on Bonny Island early Sundayalso made off with seven weapons. The cause for the attack isn't clear. Bonny Island is hometo a major export terminal for crude oil, the Associated Press reported.--SPA www.spa.gov.sa/550227