Carlisle police are investigating rumors about a possible shooting planned at Carlisle High School on Thursday.
Police say the rumors began on facebook and twitter Wednesday evening. Police say they will investigate overnight, although they do not believe the threats are credible.
Police say they will have extra officers at the school as a precaution.
Some parents have told abc27 they will keep their kids home from school because of the threats.
3235 Hoffman Street, Harrisburg, PA 17110
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