Authorities in in Plaquemines Parish near New Orleans believe some people may be trapped as Hurricane Isaac pounds the Gulf Coast. Water has gone over a levee, and power is out to more than 250,000 homes and businesses in and around New Orleans. The storm has flooded beachfront roads in Louisiana and Mississippi.
Parish spokesman Caitlin Campbell said water was running over an 18-mile stretch of the levee early Wednesday and some homes had been flooded.
Sheriff's deputies from St. Bernard and Plaquemines parishes were going house-to-house looking for residents who'd remained after an evacuation order.
Campbell said streets in the area were still passable.
Parish President Billy Nungesser said a portion of the roof of his home on the parish's west bank had blown off. He described wind-driven rain coming into his home as "like standing in a light socket with a fire hose turned on."
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