Metro

Boy, 11, slashes 12-year-old student with knife at Woburn middle school

An 11-year-old boy slashed a 12-year-old student with a knife at the Kennedy Middle School in Woburn on Thursday morning, authorities said.

School administrators learned of the incident at approximately 7:50 a.m., after a dispute between two boys escalated to the point where the 11-year-old slashed the other boy with a knife that he allegedly concealed, according to a joint statement released by Woburn Mayor Scott Galvin, Police Chief Robert Rufo, and Superintendent of Schools Matthew Crowley.

Authorities said the Woburn Police Department’s school resource officer was on scene “within minutes,” and the alleged assailant was taken into custody and a small knife was seized. The Woburn Fire Department attended to the victim, who was taken to a local hospital with superficial injuries that are not considered life-threatening, the press release said.

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“Due to the fact that this incident involves juveniles, there are certain things we cannot discuss under the law, but we have determined that this incident was not a random act and it appears to be an isolated incident,” the press release said. “Out of an abundance of caution, the school was placed in Shelter in Place mode during the initial investigation, but the school has returned to its normal schedule at this time.”

Authorities said there is no further danger at the school, and that the alleged assailant will face discipline from the school district and may face criminal charges in juvenile court as well. The police investigation is ongoing, the press release said.

Emily Sweeney can be reached at esweeney@globe.com. Follow her on Twitter @emilysweeney.