FAIRFIELD, Ohio (AP) -- Authorities say a fire that burned six recreational vehicles at a southwest Ohio storage facility is considered suspicious.

Fire Chief Steve Miller in Butler County's Ross Township estimates that hundreds of thousands of dollars in damage was done by the fire reported early Monday at Southwest RV Service and Storage. It took crews more than three hours to contain the flames.

According to the JournalNews of Hamilton (http://bit.ly/tI6mn8 ), no injuries were reported.

Township police Detective Don Schoonover says the state fire marshal is helping investigators review evidence from the scene.

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Information from: The JournalNews of Hamilton, http://www.journal-news.com/cgi-bin/liveique.acgi$schjnfront?jnfront