WOODLAND (CBS13) – A search is on for a suspected serial arsonist in Woodland, police say.

According to the Woodland Police Department, there have been 15 separate incidents determined to be arson since the beginning of the year.

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Four of the incidents were vehicles set on fire, or at least attempted to. The other incidents were involved with trees or shrubs.

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The arsons have been concentrated in an area bordering Cottonwood Street to East Street, and Lincoln Avenue to Beamer Street.

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Officers are still investigating but they urge anyone who has information to contact authorities.