NEW YORK (CBSNewYork) – It was a blast from the past for two New York City subway cars.

Two Q train cars were found totally covered in graffiti on the Upper East Side.

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The painted cars were discovered Sunday night at the 96th Street station.

According to the non-profit media group The City, the taggers worked while train was parked overnight just off the platform.

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The incident is now raising concerns about security when subway cars are out of service.