Some graffiti appeared on the side of a building at Ohio State University, related to the Trayvon Martin case.

The spray painted message read: “Long live Zimmerman.” It was painted on the side of the campus cultural center, a building that houses organizations which promote diversity at the school.

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A student spotted the message and was upset because it appeared to support George Zimmerman, the man who shot and killed the 17-year-old Martin. It’s not clear who was behind the graffiti, or what the motives were. School officials removed the paint from the building shortly after being notified.

Ohio State University president released a statement promising a full investigation.