(Portland, OR)  --  A four-alarm fire is being battled by firefighters at a marina along the Columbia River in Portland.  KOIN-TV reports the blaze was reported around 10:30 last night at the Sundance Marina in the 500 block of Tomahawk Island Drive.  Officials say it started in a warehouse that's used to store boats.  A hazardous-materials team is at the scene to monitor the spill of any substances from the marina.  No injuries have been reported.