PHILADELPHIA (CBS) – Lincoln University says a racial slur was discovered spray-painted on one of its signs.

The University says Public Safety officers discovered the vandalism around 1:50 a.m. on Thursday and “immediately began efforts to correct the damage.”

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As of noon, the word had been removed from the sign, and the Acting President of the university released a statement that reads, in part:

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“I have asked Public Safety to use every effort to identify the perpetrators and to put measures in place to minimize the opportunities for such displays of ignorance and hatred.”

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Lincoln University was founded in 1854 and was the country’s first historically black university.