Nassau police are investigating a rash of gang-related graffiti that marred homes on Seward Drive in Woodbury.

According to detectives, an MS-13 gang insignia was scrawled on the homes in silver paint, along with profanities.

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The incident occurred between 9 p.m. Friday and 6 a.m. Saturday. “Multiple dwellings” were targeted, police said.

Anyone with information about the graffiti is asked to contact Nassau County Crime Stoppers at 1-800-244-TIPS. All callers will remain anonymous.