A Concord man was arrested Tuesday for allegedly violating a Harassment Protection Order from the superintendent of the Concord and Concord-Carlisle Regional school districts.

Beginning on Sept. 22, Concord police received reports of signs directed toward the superintendent placed around town.

John Grace, 56, was found to be a suspect following an investigation by Concord police, in partnership with Massachusetts State Police and the Middlesex District Attorney’s Office, according to Concord police .

In May, Superintendent Laurie Hunter had been granted a Harassment Protection Order against Grace.

Grace was arrested around 9:53 a.m. Tuesday and charged with violating the order, police say. He was arraigned in Concord District Court later that day, according to court documents.

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