Nassau County police are investigating an aggravated harassment incident in Rockville Centre.

Police said racist graffiti was spray-painted on a telephone pole and a swastika was drawn on a tree in front of a home on Brower Avenue.

Detectives believe the incident happened between April 14 and April 18.

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The Rockville Centre Police Department first investigated before handing it over to Nassau police.

Anyone with information is asked to contact Nassau County Crime Stoppers at 800-244-TIPS. All callers will remain anonymous.